Pierre-Jaune, Hauterivian, St. Blaise (Cretaceous of Switzerland)

Where: Neuchatel, Switzerland (47.0° N, 7.0° E: paleocoordinates 37.7° N, 16.1° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Pierre jaune Formation, Late/Upper Hauterivian (136.4 - 130.0 Ma)

• All material collected from a 1 cm thick level.

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, glauconitic, ooidal grainstone and poorly lithified, glauconitic marl

Size classes: macrofossils, mesofossils

Primary reference: H. Hess. 1970. Schlangensterne und Seesterne aus dem oberen Hauterivien "Pierre jaune" von St-Blaise bei Neuchatel. Eclogae geologicae Helvetiae 63(3):1069-1091 [L. Villier/L. Villier/L. Villier]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 31986: authorized by Loic Villier, entered by Loic Villier on 30.05.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Stenolaemata
 Cyclostomata - Plagioeciidae
Mesenteripora sp. de Blainville 1830
 Cyclostomata - Diastoporidae
Spiropora sp. Lamouroux 1821
 Cyclostomata - Petaloporidae
Multizonopora sp. d'Orbigny 1853
Crinoidea
 Isocrinida - Isocrinidae
Isocrinus cf. neocomiensis Desor 1845 Sea lily
Echinoidea
 Calycina -
 Irregularia - Nucleolitidae
Plagiochasma olfersii Agassiz 1836 sea urchin
 Spatangoida - Toxasteridae
Toxaster retusus Lamarck 1816 heart urchin
Ophiuroidea
 Amphilepidida - Ophiolepididae
"Ophiopeza buhleri n. sp." = Aplocoma buehleri
"Ophiopeza buhleri n. sp." = Aplocoma buehleri Hess 1970 brittle star
22 discs with broken arms
 Amphilepidida - Amphiuridae
Xanthamphiura hauteriviensis n. gen. n. sp. Hess 1970 brittle star
2 discs with broken arms
Asteroidea
 Zorocallida -
Protothyraster priscus de Loriol 1874 sea star
 Valvatida - Pycinasteridae
Pycinaster sp. Spencer 1907 sea star
 Valvatida - Asterinidae
Chaetasterina gracilis n. gen. n. sp.
Chaetasterina gracilis n. gen. n. sp. Hess 1970 sea star
 Paxillosida - Astropectinidae
Coulonia neocomiensis de Loriol 1874 sea star