Echinoderms, Oberer Hauptrogenstein, Late Bajocian, Schinznach, Aargau (Jurassic of Switzerland)

Where: Switzerland (47.5° N, 8.1° E: paleocoordinates 37.3° N, 17.8° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Late/Upper Bajocian (171.6 - 167.7 Ma)

• group of beds-level stratigraphic resolution

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

• Thin argilaceous levels between ooidal limestone beds

Size class: macrofossils

Preservation: original calcite

Collection methods: quarrying,

Primary reference: H. Hess. 1972. Eine Echinodermen-Fauna aus dem mittleren Dogger des Aargauer Juras. Schweizerische Paläontologische Abhandlungen 92:1-86 [L. Villier/L. Villier/L. Villier]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 32036: authorized by Loic Villier, entered by Loic Villier on 02.06.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Limidae
? Ctenostreon sp.1 Eichwald 1862 file clam
 Ostreida - Ostreidae
Lopha sp.1 Röding 1798 oyster
Holothuroidea
 Apodida -
Holothuriopsis pawsoni n. gen. n. sp.1
Holothuriopsis pawsoni n. gen. n. sp.1 sea cucumber
Ophiuroidea
 Ophiurida - Aplocomidae
? Ophiopetra bathonica Hess 1964 brittle star
 Ophiurida - Dermocomidae
Dermocoma wrighti Hess 1964 brittle star
Asteroidea
 Paxillosida - Astropectinidae
Pentasteria (Pentasteria) kelleri n. sp. Hess 1972 sea star
Advenaster inermis Hess 1955 sea star
 Valvatida - Poraniidae
Sphaeriaster jurassicus n. sp. Hess 1972 sea star
 Valvatida - Sphaerasteridae
Testudinaster peregrinus2 Hess 1983 sea star
 Valvatida - Goniasteridae
"Tylasteria berthandi" = Comptoniaster berthandi, Noviaster polyplax n. sp.
"Tylasteria berthandi" = Comptoniaster berthandi Wright 1880 sea star
Noviaster polyplax n. sp. Hess 1972 sea star
 Valvatida - Asterinidae
Mesotremaster felli n. gen. n. sp.
Mesotremaster felli n. gen. n. sp. Hess 1972 sea star
 Forcipulatida - Asteriidae
Dermaster boehmi de Loriol 1899 sea star
 Forcipulatida - Neomorphasteridae
Argoviaster occultus n. gen. n. sp.
Argoviaster occultus n. gen. n. sp. Hess 1972 sea star
 Spinulosida -
Velatida indet.3 sea star
Echinoidea
 Cidaroida - Polycidaridae
 Stomopneustoida - Stomechinidae
 Irregularia - Nucleolitidae
 Salenioida - Acrosaleniidae
 Euechinoidea - Pseudodiadematidae
Polydiadema ambiguum n. sp. sea urchin
 Euechinoidea - Hemicidaridae
Hessotiara koechlini sea urchin
spines
 Echinothurioida - Pelanechinidae
"Pelanodiadema oolithicum n. gen. n. sp." = Pelanechinus
"Pelanodiadema oolithicum n. gen. n. sp." = Pelanechinus sea urchin
Crinoidea
 Isocrinida - Isocrinidae
 Isocrinida - Pentacrinitidae
Pentacrinites dargniesi Sea lily
Most elements of the sediments