Vercra (Koenigi) (Jurassic of France)

Where: France (45.8° N, 5.5° E: paleocoordinates 36.2° N, 15.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Koenigi ammonoid zone, Early/Lower Callovian (164.7 - 161.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, ferruginous, ooidal limestone

• ferruginous oolite

Size class: macrofossils

Collected by Y. Almeras

Primary reference: Y. Alméras. 1970. Les terebratulidae du Dogger dans le Mâconnais, le mont d'Or lyonnais et le Jura méridional: Étude systématique et biostratigraphique. Rapports avec la paléoécologie. Documents des Laboratories de Géologie de la Faculté des Sciences de Lyon 39(2):1-690 [M. Clapham/M. Manojlovic/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 170296: authorized by Matthew Clapham, entered by Marko Manojlovic on 18.06.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Terebratulida - Lissajousithyrididae
Dorsoplicathyris tenuiplicata Alméras 1970
morphotypes A-C
Dorsoplicathyris ovalis n. sp. Alméras 1970
Morrisithyris vercrae n. sp. Alméras 1970
 Terebratulida - Dictyothyrididae
 Terebratulida - Lobothyrididae
Aromasithyris balinensis Szajnocha 1879
5 morphotypes
Aromasithyris mazenoti n. sp. Alméras 1970
 Terebratulida - Loboidothyrididae
"Aromasithyris subcanaliculata" = Ptyctothyris subcanaliculata
"Aromasithyris subcanaliculata" = Ptyctothyris subcanaliculata Oppel 1856
 Rhynchonellida - Prionorhynchiidae
Sphenorhynchia ferryi Deslongchamps 1860
 Rhynchonellida - Rhynchonellidae
Rhynchonelloidella varians Schlotheim 1820
reidentified from Rhynchonella spathica rambertensis
 Rhynchonellida - Cyclothyrididae
"Rhynchonella orbignyi" = Septaliphoria orbignyana
"Rhynchonella orbignyi" = Septaliphoria orbignyana Oppel 1856