Where: Germany (49.3° N, 9.5° E: paleocoordinates 14.9° N, 19.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Meissner Formation (Muschelkalk Group), Illyrian (247.2 - 242.0 Ma)

• Upper Muschelkalk, strata between Spiriferina-Bank and Cycloides-Bank, corresponding to evolutus and spinosus zone.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by K. Frentzen in 1922; reposited in the SMNS

• Collected by K. Frentzen and given to M. Schmidt (1924) for the then Württemberg Natural History collection.

Primary reference: M. Urlichs and W. Kurzweil. 1997. Erstnachweis von Flexoptychites (Ammonoidea) aus dem Oberen Muschelkalk (Mitteltrias) Nordwürttembergs. Stuttgarter Beiträge zur Naturkunde Serie B (Geologie und Paläontologie) 253:1-8 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 139768: authorized by Matthew Clapham, entered by Matthew Clapham on 17.02.2013

Creative Commons license: CC BY (attribution)