Echinoderms, Renggeri-Ton, Longecombe, Ain (Jurassic of France)

Where: France (46.0° N, 5.6° E: paleocoordinates 36.9° N, 14.9° E)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Renggeri-Ton Formation, Early/Lower Oxfordian (161.2 - 155.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: offshore; unlithified claystone

Size class: mesofossils

Preservation: replaced with pyrite

Collection methods: bulk, sieve,

Primary reference: H. Hess. 1965. Mikropaläontologische Untersuchungen an Ophiuren. IV. Die Ophiuren aus dem Renggeri-Ton (Unter-Oxford) von Chapois (Jura) und Longecombe (Ain). Eclogae Geologicae Helvetiae 58(2):1059-1082 [L. Villier/L. Villier/L. Villier]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 61719: authorized by Loic Villier, entered by Loic Villier on 23.06.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
? Protoglobigerina sp.
Ostracoda
 Platycopida - Cytherellidae
Cytherella index
 Podocopida - Pontocyprididae
Pontocyprella suprajurassica
Pontocyprella suprajurassica Oertli 1959 ostracod
 Podocopida - Candonidae
Paracypris sp.
Paracypris sp. Sars 1866 ostracod
 Podocopida - Cytheridae
Lophocythere cruciata
 Podocopida - Bythocytheridae
Monoceratina scrobiculata, Monoceratina sp.
Monoceratina sp. Roth 1928 ostracod
 Podocopida - Progonocytheridae
Procytheridea gublerae
 Podocopida - Bairdiidae
Bairdia sp.
Bairdia sp. M'Coy 1844 ostracod
Asteroidea
  -
Asteroidea indet.
Asteroidea indet. de Blainville 1830 sea star
Ophiuroidea
 Ophiacanthida - Ophiacanthidae
Ophiacantha suprajurassica n. sp.
Ophiacantha suprajurassica n. sp. Hess 1965 brittle star
5 lateral plates
 Amphilepidida - Ophiopholidae
Ophiopholis trispinosa n. sp.
Ophiopholis trispinosa n. sp. Hess 1965 brittle star
312 lateral plates, 13 arm fragments
 Ophiurida - Aplocomidae
Ophiopetra oertlii n. sp., Sinosura reicheli n. sp.
Ophiopetra oertlii n. sp. Hess 1965 brittle star
67 lateral plates, 4 arm fragments
Sinosura reicheli n. sp. Hess 1965 brittle star
92 lateral plates, 9 vertebrae, 11 arm fragments
 Ophiurida - Ophiosphalmidae
Ophiomusium longecombense n. sp.
Ophiomusium longecombense n. sp. Hess 1965 brittle star
62 lateral plates, 5 vertebrae, 1 arm fragments
Echinoidea
  -
Echinoidea indet.
Echinoidea indet. Leske 1778 sea urchin
Holothuroidea
  -
Holothuroidea indet.
Holothuroidea indet. de Blainville 1834 sea cucumber
Crinoidea
 Articulata -
Cyrtocrinida indet.
Cyrtocrinida indet. Sieverts-Doreck 1953 Sea lily
Foraminifera
 Hormosinacea - Hormosinidae
Reophax horridus, Reophax scorpiurus
 Lituolacea - Haplophragmoiidae
Triplasia cf. emslandensis
  -
Ophthalmidium carinatum
Tubothalamea
 Miliolida - Nubeculariidae
Nubecularia infraoolithica
Foraminifera
 Spirillinina - Spirillinidae
Spirillina tenuissima
 Lituolida - Lituolidae
Ammobaculites helvetojurassicus, Ammobaculites suprajurassicus
Nodosariata
 Vaginulinida - Vaginulinidae
Saracenaria cornucopiae, Lenticulina brueckmanni, Lenticulina ovatoacuminata, Lenticulina quenstedti, "Lenticulina muensteri" = Lenticulina munsteri, Lenticulina varians
"Lenticulina muensteri" = Lenticulina munsteri Roemer 1839
Lenticulina varians Bornemann 1854
 Polymorphinida - Polymorphinidae
Ramulina cf. spandeli, Bullopora rostrata
 Nodosariida - Nodosariidae
Frondicularia nikitini, Dentalina sp., Astacolus cf. major, Planularia tricarinella
Dentalina sp. d'Orbigny 1826
 Robertinida - Epistominidae
Epistomina parastelligera, Epistomina sp.