Hybe Beds, Tatra Mts., Slovakia (Triassic of Slovakia)

Where: Slovakia (49.1° N, 19.8° E: paleocoordinates 27.3° N, 24.2° E)

• coordinate based on nearby landmark

When: Rhaetian (208.5 - 201.3 Ma)

Environment/lithology: shallow subtidal; marl

• "Whereas the basal part of the Hype Beds consists of dark oolitic and organo-detrital limestone, crinoidal and shelly limestomes, most of the Hybe Beds compises cyclical sequences of dark marls. A typical cycle begins with a thin rusty maril, succeeded by dark-grey to black marl with few fossils. The uppermost part of each cycle consists of richly fossiliferous grey marl with carbonate concretions. The marly beds are usually followed by limestone layers consisting of shelly biomicrite to biosparrudite."

Size class: mesofossils

Reposited in the BMNH

• Other museum repository: Slovenske Narodne Muzeum, Bratislava (SNM)

Primary reference: F. Bizzarini and G. Braga. 1982. The Triassic Bryozoa of the Western Tethyan basin. Bollettino della Societa Paleontologica Italiana 21(2-3):223-234 [D. Bottjer/C. Powers/C. Jamet]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 32892: authorized by David Bottjer, entered by Catherine Powers on 17.07.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

• Also present: crinoids, echinoids, corals, fish teeth, and encrusting epifaunal organisms (serpulids, coralsm bivalves)
Rhynchonellata
 Rhynchonellida - Cyclothyrididae
 Terebratulida - Zeilleriidae
Zeilleria norica2 Suess 1859
 Terebratulida - Angustothyrididae
Stenolaemata
 Cyclostomata - Multisparsidae
 Cyclostomata - Stomatoporidae
Stomatopora sp.1 Bronn 1825
Bivalvia
 Ostreida - Ostreidae
Lopha haidingeriana2 Emmrich 1853 oyster
 Ostreida - Cassianellidae
 Pectinida - Limidae
 Pectinida - Pectinoidae
Chlamys winkleri2, "Velata zejszneri" = Eopecten2
"Velata zejszneri" = Eopecten2 scallop
Gastropoda
 Euomphalina - Euomphalidae
 Pseudomelanoidea - Pseudomelaniidae
Cephalopoda
 Ceratitida - Arcestidae
Rhaetites rhaeticus2 Clark 1887 ceratite
 Nautilida - Tainoceratidae
Germanonautilus sp.2 von Mojsisovics 1902 nautiloid
Conodonta
 Ozarkodinida - Gondolellidae
Misikella posthernsteini2 Kozur and Mock 1974 conodont