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Ruhnu 500 borehole

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ID972
NameRuhnu 500 borehole
Number500
Loc. typeborehole (section)
CountryEstonia
CountySaare County
ParishRuhnu
SettlementRuhnu
Elevation (m)6.00
Latitude (dec. deg.)57.803158
Longitude (dec. deg.)23.241352
X (m, L-EST 97)6407066
Y (m, L-EST 97)454892
Coord. agentEesti Geoloogiakeskus (EGK)
Location remarksSaare keskosas
Vertical extent (m)787.40
Stratigraphy topNarva Stage
Stratigraphy baseProterozoic
Maaamet ID1829
RemarksE. Kala 1:200000 kaardistamine, aruanne 1973. EGF 3260
Record changed2022-11-21 21:13:16

References (15)

Nestor, V. 1976. Сопоставление некоторых разрезов райккюлаского горизонта Эстонии по микропланктону [A microplankton correlation of boring sections of the Raikküla Stage, Estonia]. Eesti NSV Teaduste Akadeemia Toimetised. Keemia, Geoloogia / Известия Академии наук Эстонской ССР. Химия. Геология 25 (4), 319-323. | DOI | DETAILS

Nõlvak, J. 1980. Chitinozoans in biostratigraphy of the northern East Baltic Ashgillian. A preliminary report. Acta Palaeontologica Polonica 25 (2), 253-260. | DETAILS

Nestor, V. 1980. Новые виды хитинозой из нижнего лландовери Эстонии [New chitinozoan species from the Lower Llandoverian of Estonia]. Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 29 (3), 98-107. | DOI | DETAILS

Nestor, V. 1980. Хитинозои среднего лландовери Эстонии [Middle Llandoverian Chitinozoans from Estonia]. Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 29 (4), 136-142. | DOI | DETAILS

Nestor, V. 1982. Зональные комплексы хитинозой (венлок Эстонии) [Chitinozoan zonal assemblages (Wenlock, Estonia)]. Сообщества и биозоны в силуре Прибалтики [Silurian assemblages and biozones in the East Baltic region]. Valgus, Tallinn. 84-96. | DETAILS

Nestor, V. 1982. Новые виды хитинозой родов Ancyro-, Gotlando- и Sphaerochitina из венлока Эстонии [New chitinozoans of the genera Ancyro-, Gotlando- and Sphaerochitina from the Wenlockian of Estonia]. Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 31 (4), 146-151. | DOI | DETAILS

Nestor, V. 1984. Зональное распределение хитинозой в яаниском горизонте (венлок Эстонии) и проблема его границ [Zonal distribution of chitinozoans in the Wenlockian Jaani Stage of Estonia and the problem of its upper boundary]. Стратиграфия древнепалеозойских отложений Прибалтики [Stratigrafiâ drevnepaleozojskih otloženij Pribaltiki]. Eesti NSV Teaduste Akadeemia, Tallinn. 119-127. | DETAILS

Nõlvak, J. 1984. Распространение кислотоустойчивых микрофоссилий в разрезах ашгилла Северной Прибалтики [Distribution of acid-resistant microfossils in the northern East Baltic Ashgillian]. Deponeeritud VINITI-sse. 1-70. | DETAILS

Nestor, V. 1991. On the distribution of aberrant forms of chitinozoans in the Silurian of Estonia and West Latvia. Proceedings of the Estonian Academy of Sciences. Geology 40 (3), 96-99. | DOI | DETAILS

Nestor, V. 1994. Early Silurian chitinozoans of Estonia and North Latvia. Estonian Academy Publishers, Tallinn. 1-163. | DETAILS

Kaljo, D., Hints, L., Martma, T., Nõlvak, J. 2001. Carbon isotope stratigraphy in the latest Ordovician of Estonia. Chemical Geology 175, 49-59. | DOI | DETAILS

Nõlvak, J. 2003. Distribution of Ordovician chitinozoans. Ruhnu (500) drill core. Geological Survey of Estonia, Tallinn. Estonian Geological Sections Bulletin 5, 23-25. | DETAILS

Märss, T. 2003. Distribution of Silurian agnathans and fish microremains. Ruhnu (500) drill core. Geological Survey of Estonia, Tallinn. Estonian Geological Sections Bulletin 5, 14-15. | DETAILS

Nestor, V. 2005. Chitinozoans of the Margachitina margaritana Biozone and the Llandovery-Wenlock boundary in West Estonian drill cores. Proceedings of the Estonian Academy of Sciences. Geology 54 (2), 87-111. | DOI | DETAILS

Nestor, V. 2012. A summary and revision of the East Baltic Silurian chitinozoan biozonation. Estonian Journal of Earth Sciences 61 (4), 242-260. | DOI | DETAILS


Raw data (173 species, 377 samples)

Show table

Range chart (autogenerated)

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Photos

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<i><i>Ancyrochitina ancyrea</i></i><br />Ruhnu 500 borehole, 417.50 m, Jaani Stage (754-118) <i><i>Ancyrochitina gutnica</i></i><br />Ruhnu 500 borehole, 347.40 m, Jaagarahu Stage (754-554) <i><i>Ancyrochitina gutnica</i></i><br />Ruhnu 500 borehole, 347.40 m, Jaagarahu Stage (754-555) <i><i>Ancyrochitina gutnica</i></i><br />Ruhnu 500 borehole, 347.40 m, Jaagarahu Stage (754-554) <i><i>Ancyrochitina gutnica</i></i><br />Ruhnu 500 borehole, 373.90 m, Jaagarahu Stage (754-581) <i><i>Ancyrochitina gutnica</i></i><br />Ruhnu 500 borehole, 373.90 m, Jaagarahu Stage (754-582) <i><i>Ancyrochitina gutnica</i></i><br />Ruhnu 500 borehole, 373.90 m, Jaagarahu Stage (754-581) <i><i>Ancyrochitina gutnica</i></i><br />Ruhnu 500 borehole, 314.75 m, Jaagarahu Stage (754-650) <i><i>Ancyrochitina gutnica</i></i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (754-813) <i><i>Ancyrochitina gutnica</i></i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (754-813) <i><i>Ancyrochitina gutnica</i></i><br />Ruhnu 500 borehole, 314.75 m, Jaagarahu Stage (754-859) <i><i>Ancyrochitina gutnica</i></i><br />Ruhnu 500 borehole, 314.75 m, Jaagarahu Stage (754-859) <i><i>Ancyrochitina primitiva</i></i><br />Ruhnu 500 borehole, 395.80 m, Jaagarahu Stage (754-128) <i><i>Ancyrochitina primitiva</i></i><br />Ruhnu 500 borehole, 413.20 m, Jaagarahu Stage (754-119) <i><i>Ancyrochitina primitiva</i></i><br />Ruhnu 500 borehole, 395.80 m, Jaagarahu Stage (754-127) <i><i>Ancyrochitina primitiva</i></i><br />Ruhnu 500 borehole, 395.80 m, Jaagarahu Stage (754-129) <i><i>Ancyrochitina primitiva</i></i><br />Ruhnu 500 borehole, 395.80 m, Jaagarahu Stage (754-126) <i><i>Ancyrochitina primitiva</i></i><br />Ruhnu 500 borehole, 347.40 m, Jaagarahu Stage (754-552) <i><i>Ancyrochitina primitiva</i></i><br />Ruhnu 500 borehole, 347.40 m, Jaagarahu Stage (754-553) <i><i>Ancyrochitina primitiva</i></i><br />Ruhnu 500 borehole, 333.00 m, Jaagarahu Stage (754-549) <i><i>Angochitina longicollis</i></i><br />Ruhnu 500 borehole, 456.15 m, Jaani Stage (754-580) <i><i>Angochitina longicollis</i></i><br />Ruhnu 500 borehole, 456.15 m, Jaani Stage (754-579) <i><i>Belonechitina? gutta</i></i><br />Ruhnu 500 borehole, 362.85 m, Jaagarahu Stage (272-99) <i><i>Calpichitina acollaris</i></i><br />Ruhnu 500 borehole, 454.05 m, Jaani Stage (754-624) <i><i>Calpichitina acollaris</i></i><br />Ruhnu 500 borehole, 454.05 m, Jaani Stage (754-624) <i><i>Clathrochitina clathrata</i></i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (754-672) <i><i>Clathrochitina clathrata</i></i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (754-673) <i><i>Clathrochitina clathrata</i></i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (754-674) <i><i>Clathrochitina clathrata</i></i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (754-675) <i><i>Clathrochitina clathrata</i></i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (754-673) <i><i>Clathrochitina clathrata</i></i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (754-675) <i><i>Conochitina claviformis</i></i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (754-844) <i><i>Conochitina claviformis</i></i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (754-844) <i><i>Conochitina claviformis</i></i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (754-1052) <i><i>Conochitina cribrosa</i></i><br />Ruhnu 500 borehole, 288.15 m, Jaagarahu Stage (754-784) <i><i>Conochitina cribrosa</i></i><br />Ruhnu 500 borehole, 288.15 m, Jaagarahu Stage (754-785) <i><i>Conochitina cribrosa</i></i><br />Ruhnu 500 borehole, 288.15 m, Jaagarahu Stage (754-785) <i><i>Conochitina cribrosa</i></i><br />Ruhnu 500 borehole, 288.15 m, Jaagarahu Stage (754-784) <i><i>Conochitina cribrosa</i></i><br />Ruhnu 500 borehole, 288.15 m, Jaagarahu Stage (754-784) <i><i>Conochitina subcyatha</i></i><br />Ruhnu 500 borehole, 338.75 m, Jaagarahu Stage (754-776) <i><i>Conochitina subcyatha</i></i><br />Ruhnu 500 borehole, 338.75 m, Jaagarahu Stage (754-777) <i><i>Conochitina subcyatha</i></i><br />Ruhnu 500 borehole, 338.75 m, Jaagarahu Stage (754-776) <i><i>Conochitina subcyatha</i></i><br />Ruhnu 500 borehole, 338.75 m, Jaagarahu Stage (754-776) <i><i>Cyathochitina campanulaeformis</i></i><br />Ruhnu 500 borehole, 600.40 m, Juuru Stage (754-1018) <i><i>Eisenackitina lagena</i></i><br />Ruhnu 500 borehole, 362.85 m, Jaagarahu Stage (754-574) <i><i>Eisenackitina lagena</i></i><br />Ruhnu 500 borehole, 362.85 m, Jaagarahu Stage (754-573) <i><i>Eisenackitina lagena</i></i><br />Ruhnu 500 borehole, 361.90 m, Jaagarahu Stage (754-688) <i><i>Eisenackitina lagena</i></i><br />Ruhnu 500 borehole, 361.90 m, Jaagarahu Stage (754-688) <i><i>Eisenackitina lagena</i></i><br />Ruhnu 500 borehole, 361.90 m, Jaagarahu Stage (754-685) <i><i>Eisenackitina lagena</i></i><br />Ruhnu 500 borehole, 361.90 m, Jaagarahu Stage (754-688) <i><i>Eisenackitina lagena</i></i><br />Ruhnu 500 borehole, 362.85 m, Jaagarahu Stage (754-1054) <i><i>Eisenackitina lagena</i></i><br />Ruhnu 500 borehole, 362.85 m, Jaagarahu Stage (754-1054) <i><i>Euconochitina electa</i></i><br />Ruhnu 500 borehole, 584.00 m, Raikküla Stage (754-539) <i><i>Euconochitina electa</i></i><br />Ruhnu 500 borehole, 573.30 m, Raikküla Stage (754-1785) <i><i>Ramochitina uncinata</i></i><br />Ruhnu 500 borehole, 368.50 m, Jaagarahu Stage (754-851) <i><i>Ramochitina uncinata</i></i><br />Ruhnu 500 borehole, 368.50 m, Jaagarahu Stage (754-851) <i><i>Ramochitina uncinata</i></i><br />Ruhnu 500 borehole, 368.50 m, Jaagarahu Stage (754-851) <i><i>Ramochitina uncinata</i></i><br />Ruhnu 500 borehole, 368.50 m, Jaagarahu Stage (754-851) <i><i>Sphaerochitina indecora</i></i><br />Ruhnu 500 borehole, 309.00 m, Jaagarahu Stage (754-852) <i><i>Spinachitina fragilis</i></i><br />Ruhnu 500 borehole, 600.80 m, Juuru Stage (754-1017) <i><i>Margachitina margaritana</i> | + Calpichitina?</i><br />Ruhnu 500 borehole, 407.35 m, Jaagarahu Stage (754-130) <i><i>Ancyrochitina</i> | Ancyrochitina cf. sp. b</i><br />Ruhnu 500 borehole, 329.30 m, Jaagarahu Stage (754-924) <i><i>Ancyrochitina</i> | Ancyrochitina aff. ancyrea (Eisenack, 1931)</i><br />Ruhnu 500 borehole, 473.20 m, Adavere Stage (272-37) <i><i>Ancyrochitina primitiva</i> | Ancyrochitina aff. primitiva</i><br />Ruhnu 500 borehole, 413.20 m, Jaagarahu Stage (754-120) <i><i>Ancyrochitina tomentosa</i> | Ancyrochitina aff. tomentosa</i><br />Ruhnu 500 borehole, 344.50 m, Jaagarahu Stage (754-668) <i><i>Ancyrochitina tomentosa</i> | Ancyrochitina aff. tomentosa</i><br />Ruhnu 500 borehole, 344.50 m, Jaagarahu Stage (754-668) <i><i>Ancyrochitina tomentosa</i> | Ancyrochitina aff. tomentosa</i><br />Ruhnu 500 borehole, 344.50 m, Jaagarahu Stage (754-668) <i><i>Ancyrochitina ancyrea</i></i><br />Ruhnu 500 borehole, 371.50 m, Jaagarahu Stage (272-36) <i><i>Ancyrochitina ansarviensis</i></i><br />Ruhnu 500 borehole, 457.45 m, Jaani Stage (220-14) <i><i>Ancyrochitina bifurcaspina</i></i><br />Ruhnu 500 borehole, 576.20 m, Raikküla Stage (272-14) <i><i>Ancyrochitina clathrospinosa</i> | Ancyrochitina cf. clathrospinosa</i><br />Ruhnu 500 borehole, 356.00 m, Jaagarahu Stage (754-524) <i><i>Ancyrochitina primitiva</i> | Ancyrochitina cf. primitiva</i><br />Ruhnu 500 borehole, 370.00 m, Jaagarahu Stage (754-483) <i><i>Ancyrochitina primitiva</i> | Ancyrochitina cf. primitiva</i><br />Ruhnu 500 borehole, 333.00 m, Jaagarahu Stage (754-556) <i><i>Ancyrochitina tomentosa</i> | Ancyrochitina cf. tomentosa</i><br />Ruhnu 500 borehole, 404.20 m, Jaagarahu Stage (754-542) <i><i>Ancyrochitina tomentosa</i> | Ancyrochitina cf. tomentosa</i><br />Ruhnu 500 borehole, 404.20 m, Jaagarahu Stage (754-558) <i><i>Ancyrochitina tomentosa</i> | Ancyrochitina cf. tomentosa</i><br />Ruhnu 500 borehole, 404.20 m, Jaagarahu Stage (754-541) <i><i>Ancyrochitina tomentosa</i> | Ancyrochitina cf. tomentosa</i><br />Ruhnu 500 borehole, 404.20 m, Jaagarahu Stage (754-559) <i><i>Ancyrochitina tomentosa</i> | Ancyrochitina cf. tomentosa</i><br />Ruhnu 500 borehole, 404.20 m, Jaagarahu Stage (754-557) <i><i>Ancyrochitina</i> | Ancyrochitina cf.ancyrea</i><br />Ruhnu 500 borehole, 473.20 m, Adavere Stage (754-921) <i><i>Ancyrochitina convexa</i></i><br />Ruhnu 500 borehole, 536.00 m, Raikküla Stage (213-1) <i><i>Ancyrochitina convexa</i></i><br />Ruhnu 500 borehole, 536.00 m, Raikküla Stage (213-1) <i><i>Ancyrochitina convexa</i></i><br />Ruhnu 500 borehole, 536.00 m, Raikküla Stage (213-1) <i><i>Ancyrochitina convexa</i></i><br />Ruhnu 500 borehole, 536.00 m, Raikküla Stage (213-2) <i><i>Ancyrochitina convexa</i></i><br />Ruhnu 500 borehole, 536.00 m, Raikküla Stage (213-2) <i><i>Ancyrochitina convexa</i></i><br />Ruhnu 500 borehole, 536.00 m, Raikküla Stage (213-2) <i><i>Ancyrochitina digitata</i></i><br />Ruhnu 500 borehole, 454.05 m, Jaani Stage (427-33) <i><i>Ancyrochitina digitata</i></i><br />Ruhnu 500 borehole, 454.05 m, Jaani Stage (427-34) <i><i>Ancyrochitina gutnica</i> | Ancyrochitina gutnica</i><br />Ruhnu 500 borehole, 371.50 m, Jaagarahu Stage (754-544) <i><i>Ancyrochitina gutnica</i> | Ancyrochitina gutnica</i><br />Ruhnu 500 borehole, 371.50 m, Jaagarahu Stage (754-544) <i><i>Ancyrochitina gutnica</i> | Ancyrochitina gutnica</i><br />Ruhnu 500 borehole, 371.50 m, Jaagarahu Stage (754-543) <i><i>Ancyrochitina gutnica</i> | Ancyrochitina gutnica</i><br />Ruhnu 500 borehole, 371.50 m, Jaagarahu Stage (754-544) <i><i>Ancyrochitina gutnica</i> | Ancyrochitina gutnica</i><br />Ruhnu 500 borehole, 371.50 m, Jaagarahu Stage (754-546) <i><i>Ancyrochitina gutnica</i> | Ancyrochitina gutnica</i><br />Ruhnu 500 borehole, 371.50 m, Jaagarahu Stage (754-544) <i><i>Ancyrochitina gutnica</i> | Ancyrochitina gutnica</i><br />Ruhnu 500 borehole, 371.50 m, Jaagarahu Stage (754-545) <i><i>Ancyrochitina gutnica</i></i><br />Ruhnu 500 borehole, 314.75 m, Jaagarahu Stage (272-44) <i><i>Ancyrochitina gutnica</i></i><br />Ruhnu 500 borehole, 371.50 m, Jaagarahu Stage (189-21) <i><i>Ancyrochitina gutnica</i></i><br />Ruhnu 500 borehole, 371.50 m, Jaagarahu Stage (189-21) <i><i>Ancyrochitina paulaspina</i></i><br />Ruhnu 500 borehole, 417.50 m, Jaani Stage (220-30) <i><i>Ancyrochitina plurispinosa</i></i><br />Ruhnu 500 borehole, 347.40 m, Jaagarahu Stage (220-41) <i><i>Ancyrochitina porrectaspina</i></i><br />Ruhnu 500 borehole, 465.40 m, Adavere Stage (189-14) <i><i>Ancyrochitina porrectaspina</i></i><br />Ruhnu 500 borehole, 465.40 m, Adavere Stage (272-18) <i><i>Ancyrochitina</i> | Ancyrochitina sp.</i><br />Ruhnu 500 borehole, 404.20 m, Jaagarahu Stage (197-6) <i><i>Ancyrochitina</i> | Ancyrochitina sp.</i><br />Ruhnu 500 borehole, 576.20 m, Raikküla Stage (754-500) <i><i>Ancyrochitina</i> | Ancyrochitina sp.</i><br />Ruhnu 500 borehole, 576.20 m, Raikküla Stage (754-500) <i><i>Ancyrochitina</i> | Ancyrochitina sp.</i><br />Ruhnu 500 borehole, 576.20 m, Raikküla Stage (754-500) <i><i>Ancyrochitina</i> | Ancyrochitina sp.</i><br />Ruhnu 500 borehole, 344.50 m, Jaagarahu Stage (754-665) <i><i>Ancyrochitina</i> | Ancyrochitina sp.</i><br />Ruhnu 500 borehole, 344.50 m, Jaagarahu Stage (754-665) <i><i>Ancyrochitina</i> | Ancyrochitina sp. (d)</i><br />Ruhnu 500 borehole, 344.50 m, Jaagarahu Stage (754-663) <i><i>Ancyrochitina</i> | Ancyrochitina sp. (d)</i><br />Ruhnu 500 borehole, 344.50 m, Jaagarahu Stage (754-663) <i><i>Ancyrochitina</i> | Ancyrochitina sp. (d)</i><br />Ruhnu 500 borehole, 344.50 m, Jaagarahu Stage (754-661) <i><i>Ancyrochitina</i> | Ancyrochitina sp. (d)</i><br />Ruhnu 500 borehole, 344.50 m, Jaagarahu Stage (754-663) <i><i>Ancyrochitina</i> | Ancyrochitina sp. (d)</i><br />Ruhnu 500 borehole, 344.50 m, Jaagarahu Stage (754-662) <i><i>Ancyrochitina</i> | Ancyrochitina sp. (d)</i><br />Ruhnu 500 borehole, 344.50 m, Jaagarahu Stage (754-663) <i><i>Ancyrochitina</i> | Ancyrochitina sp. 1 Nestor, 1994</i><br />Ruhnu 500 borehole, 454.05 m, Jaani Stage (220-17) <i><i>Ancyrochitina</i> | Ancyrochitina sp. C</i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (754-812) <i><i>Ancyrochitina</i> | Ancyrochitina sp. C</i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (754-812) <i><i>Ancyrochitina</i> | Ancyrochitina sp. C</i><br />Ruhnu 500 borehole, 359.25 m, Jaagarahu Stage (754-853) <i><i>Ancyrochitina</i> | Ancyrochitina sp. C</i><br />Ruhnu 500 borehole, 314.75 m, Jaagarahu Stage (754-860) <i><i>Ancyrochitina</i> | Ancyrochitina sp. C</i><br />Ruhnu 500 borehole, 314.75 m, Jaagarahu Stage (754-860) <i><i>Ancyrochitina</i> | Ancyrochitina sp. C</i><br />Ruhnu 500 borehole, 359.25 m, Jaagarahu Stage (754-853) <i><i>Ancyrochitina</i> | Ancyrochitina sp. C</i><br />Ruhnu 500 borehole, 314.75 m, Jaagarahu Stage (754-860) <i><i>Ancyrochitina</i> | Ancyrochitina sp. C</i><br />Ruhnu 500 borehole, 359.25 m, Jaagarahu Stage (754-853) <i><i>Ancyrochitina</i> | Ancyrochitina sp. n.</i><br />Ruhnu 500 borehole, 536.00 m, Raikküla Stage (754-491) <i><i>Ancyrochitina</i> | Ancyrochitina sp. n.</i><br />Ruhnu 500 borehole, 536.00 m, Raikküla Stage (754-491) <i><i>Ancyrochitina</i> | Ancyrochitina sp. sp.</i><br />Ruhnu 500 borehole, 361.90 m, Jaagarahu Stage (754-695) <i><i>Ancyrochitina</i> | Ancyrochitina sp. sp.</i><br />Ruhnu 500 borehole, 361.90 m, Jaagarahu Stage (754-697) <i><i>Ancyrochitina</i> | Ancyrochitina sp. sp.</i><br />Ruhnu 500 borehole, 361.90 m, Jaagarahu Stage (754-691) <i><i>Ancyrochitina</i> | Ancyrochitina sp. sp.</i><br />Ruhnu 500 borehole, 361.90 m, Jaagarahu Stage (754-696) <i><i>Ancyrochitina</i> | Ancyrochitina sp. sp.</i><br />Ruhnu 500 borehole, 361.90 m, Jaagarahu Stage (754-689) <i><i>Ancyrochitina</i> | Ancyrochitina sp. sp.</i><br />Ruhnu 500 borehole, 361.90 m, Jaagarahu Stage (754-693) <i><i>Ancyrochitina</i> | Ancyrochitina sp. sp.</i><br />Ruhnu 500 borehole, 361.90 m, Jaagarahu Stage (754-698) <i><i>Ancyrochitina</i> | Ancyrochitina sp. sp.</i><br />Ruhnu 500 borehole, 361.90 m, Jaagarahu Stage (754-693) <i><i>Ancyrochitina</i> | Ancyrochitina sp. sp.</i><br />Ruhnu 500 borehole, 361.90 m, Jaagarahu Stage (754-694) <i><i>Ancyrochitina</i> | Ancyrochitina sp. sp.</i><br />Ruhnu 500 borehole, 361.90 m, Jaagarahu Stage (754-692) <i><i>Ancyrochitina</i> | Ancyrochitina sp. sp.</i><br />Ruhnu 500 borehole, 361.90 m, Jaagarahu Stage (754-690) <i><i>Ancyrochitina</i> | Ancyrochitina sp. sp.</i><br />Ruhnu 500 borehole, 361.90 m, Jaagarahu Stage (754-698) <i><i>Ancyrochitina</i> | Ancyrochitina sp. sp.</i><br />Ruhnu 500 borehole, 361.90 m, Jaagarahu Stage (754-698) <i><i>Angochitina longicollis</i> | Angochitina aff. longicollis</i><br />Ruhnu 500 borehole, 290.00 m, Jaagarahu Stage (754-149) <i><i>Angochitina longicollis</i> | Angochitina aff. longicollis</i><br />Ruhnu 500 borehole, 290.00 m, Jaagarahu Stage (754-149) <i><i>Angochitina longicollis</i></i><br />Ruhnu 500 borehole, 456.15 m, Jaani Stage (220-7) <i><i>Angochitina longicollis</i></i><br />Ruhnu 500 borehole, 456.15 m, Jaani Stage (220-7) <i><i>Calpichitina acollaris</i></i><br />Ruhnu 500 borehole, 417.50 m, Jaani Stage (220-29) <i><i>Calpichitina</i> | Calpichitina aff. opaca (Laufeld, 1974)</i><br />Ruhnu 500 borehole, 410.10 m, Jaagarahu Stage (754-831) <i><i>Calpichitina</i> | Calpichitina sp.</i><br />Ruhnu 500 borehole, 333.00 m, Jaagarahu Stage (754-547) <i><i>Margachitina margaritana</i> | Calpichitina?</i><br />Ruhnu 500 borehole, 407.35 m, Jaagarahu Stage (754-132) <i><i>Margachitina margaritana</i> | Calpichitina?</i><br />Ruhnu 500 borehole, 406.00 m, Jaagarahu Stage (754-133) <i><i>Margachitina margaritana</i> | Calpichitina?</i><br />Ruhnu 500 borehole, 406.00 m, Jaagarahu Stage (754-134) <i><i>Cingulochitina bouniensis</i></i><br />Ruhnu 500 borehole, 451.00 m, Jaani Stage (427-35) <i><i>Cingulochitina cingulata</i> | Cingulochitina cf. cingulata</i><br />Ruhnu 500 borehole, 344.50 m, Jaagarahu Stage (754-664) <i><i>Cingulochitina cingulata</i> | Cingulochitina cf. cingulata</i><br />Ruhnu 500 borehole, 344.50 m, Jaagarahu Stage (754-664) <i><i>Cingulochitina cingulata</i> | Cingulochitina cingulata (Eisenack, 1937)</i><br />Ruhnu 500 borehole, 344.50 m, Jaagarahu Stage (272-190) <i><i>Clathrochitina clathrata</i></i><br />Ruhnu 500 borehole, 379.00 m, Jaagarahu Stage (220-35) <i><i>Conochitina leptosoma</i> | Conochitina aff. leptosoma</i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (754-810) <i><i>Conochitina leptosoma</i> | Conochitina aff. leptosoma</i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (754-810) <i><i>Conochitina</i> | Conochitina aff. pachycephala</i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (754-1793) <i><i>Conochitina</i> | Conochitina aff. pachycephala Eisenack, 1964</i><br />Ruhnu 500 borehole, 388.65 m, Jaagarahu Stage (272-113) <i><i>Conochitina proboscifera</i> | Conochitina aff. proboscifera</i><br />Ruhnu 500 borehole, 489.45 m, Raikküla Stage (754-202) <i><i>Conochitina proboscifera</i> | Conochitina aff. proboscifera</i><br />Ruhnu 500 borehole, 457.45 m, Jaani Stage (754-824) <i><i>Conochitina</i> | Conochitina aff. protracta (Zaslavskaya, 1980</i><br />Ruhnu 500 borehole, 494.45 m, Raikküla Stage (754-1022) <i><i>Conochitina</i> | Conochitina aff. protracta (Zaslavskaya, 1980</i><br />Ruhnu 500 borehole, 493.40 m, Raikküla Stage (754-1023) <i><i>Conochitina tuba</i> | Conochitina aff. tuba</i><br />Ruhnu 500 borehole, 333.00 m, Jaagarahu Stage (754-476) <i><i>Conochitina tuba</i> | Conochitina aff. tuba</i><br />Ruhnu 500 borehole, 333.00 m, Jaagarahu Stage (754-476) <i><i>Conochitina</i> | Conochitina aff.tuba</i><br />Ruhnu 500 borehole, 511.45 m, Raikküla Stage (754-1024) <i><i>Conochitina claviformis</i> | Conochitina cf. claviformis</i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (754-551) <i><i>Conochitina</i> | Conochitina cf. iklaensis</i><br />Ruhnu 500 borehole, 493.15 m, Raikküla Stage (754-1021) <i><i>Conochitina</i> | Conochitina cf. iklaensis</i><br />Ruhnu 500 borehole, 493.15 m, Raikküla Stage (754-1020) <i><i>Conochitina</i> | Conochitina cf. leptosoma Laufeld, 1974</i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (272-105) <i><i>Conochitina</i> | Conochitina cf. leptosoma Laufeld, 1974</i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (272-106) <i><i>Conochitina</i> | Conochitina cf. linearistriata</i><br />Ruhnu 500 borehole, 338.75 m, Jaagarahu Stage (754-861) <i><i>Conochitina linearistriata</i> | Conochitina cf. linearistriata</i><br />Ruhnu 500 borehole, 333.00 m, Jaagarahu Stage (754-773) <i><i>Conochitina linearistriata</i> | Conochitina cf. linearistriata</i><br />Ruhnu 500 borehole, 333.00 m, Jaagarahu Stage (754-773) <i><i>Conochitina linearistriata</i> | Conochitina cf. linearistriata</i><br />Ruhnu 500 borehole, 333.00 m, Jaagarahu Stage (754-772) <i><i>Conochitina</i> | Conochitina cf. pachycephala</i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (754-1053) <i><i>Conochitina</i> | Conochitina cf. pachycephala</i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (754-1053) <i><i>Conochitina pachycephala</i> | Conochitina cf. pachycephala</i><br />Ruhnu 500 borehole, 344.50 m, Jaagarahu Stage (754-666) <i><i>Conochitina pachycephala</i> | Conochitina cf. pachycephala</i><br />Ruhnu 500 borehole, 344.50 m, Jaagarahu Stage (754-666) <i><i>Conochitina pachycephala</i> | Conochitina cf. pachycephala</i><br />Ruhnu 500 borehole, 344.50 m, Jaagarahu Stage (754-666) <i><i>Conochitina pachycephala</i> | Conochitina cf. pachycephala</i><br />Ruhnu 500 borehole, 344.50 m, Jaagarahu Stage (754-666) <i><i>Chitinozoa</i> | Conochitina cf. protracta (Zaslavskaya, 1980)</i><br />Ruhnu 500 borehole, 496.90 m, Raikküla Stage (272-122) <i><i>Conochitina</i> | Conochitina cf. sp. 3</i><br />Ruhnu 500 borehole, 463.20 m, Adavere Stage (754-879) <i><i>Conochitina</i> | Conochitina cf. sp. 3</i><br />Ruhnu 500 borehole, 463.20 m, Adavere Stage (754-879) <i><i>Conochitina</i> | Conochitina cf. sp. 3</i><br />Ruhnu 500 borehole, 463.20 m, Adavere Stage (754-879) <i><i>Conochitina</i> | Conochitina cf. sp. 3</i><br />Ruhnu 500 borehole, 463.20 m, Adavere Stage (754-879) <i><i>Conochitina</i> | Conochitina cf. tuba</i><br />Ruhnu 500 borehole, 341.55 m, Jaagarahu Stage (754-1794) <i><i>Conochitina claviformis</i></i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (272-72) <i><i>Conochitina claviformis</i></i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (272-73) <i><i>Conochitina claviformis</i></i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (272-74) <i><i>Conochitina claviformis</i></i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (272-75) <i><i>Conochitina claviformis</i></i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (272-76) <i><i>Conochitina claviformis</i></i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (272-77) <i><i>Conochitina claviformis</i></i><br />Ruhnu 500 borehole, 392.80 m, Jaagarahu Stage (272-78) <i><i>Euconochitina electa</i> | Conochitina electa Nestor, 1980</i><br />Ruhnu 500 borehole, 576.20 m, Raikküla Stage (212-14) <i><i>Euconochitina electa</i> | Conochitina electa Nestor, 1980</i><br />Ruhnu 500 borehole, 576.20 m, Raikküla Stage (212-14) <i><i>Euconochitina electa</i> | Conochitina electa Nestor, 1980</i><br />Ruhnu 500 borehole, 576.20 m, Raikküla Stage (212-14) <i><i>Conochitina emmastensis</i></i><br />Ruhnu 500 borehole, 457.45 m, Jaani Stage (217-2) <i><i>Conochitina fortis</i></i><br />Ruhnu 500 borehole, 333.00 m, Jaagarahu Stage (217-10) <i><i>Conochitina iklaensis</i></i><br />Ruhnu 500 borehole, 584.00 m, Raikküla Stage (213-6) <i><i>Conochitina iklaensis</i></i><br />Ruhnu 500 borehole, 584.00 m, Raikküla Stage (213-6) <i><i>Conochitina iklaensis</i></i><br />Ruhnu 500 borehole, 584.00 m, Raikküla Stage (272-97) <i><i>Conochitina iklaensis</i></i><br />Ruhnu 500 borehole, 584.00 m, Raikküla Stage (332-3)