North Sulphur River at Ladonia (NSR) (Cretaceous of the United States)

Where: Fannin County, Texas (33.5° N, 95.9° W: paleocoordinates 38.1° N, 67.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Taylor Marl Formation, Early/Lower Campanian (83.5 - 70.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: poorly lithified marl

Size class: macrofossils

Collection methods: Repository: Institut des Sciences de l'Evolution, Université de Montpellier

Primary reference: H. Cappetta and G. R. Case. 1975. Sélaciens nouveaux du Crétacé du Texas. Geobios 8:303-307 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 213303: authorized by Matthew Clapham, entered by Matthew Clapham on 28.08.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Carcharhiniformes - Scyliorhinidae
Scyliorhinus taylorensis n. sp. Cappetta and Case 1999 cat shark
 Lamniformes - Pseudocoracidae
Pseudocorax granti n. sp. Cappetta and Case 1975 mackerel shark
 Lamniformes - Anacoracidae
Squalicorax kaupi Agassiz 1843 crow shark
 Lamniformes - Mitsukurinidae
Scapanorhynchus texanus Roemer 1852 goblin shark
 Orectolobiformes - Hemiscylliidae
Chiloscyllium aff. greeni Cappetta 1973 carpet shark
 Orectolobiformes - Ginglymostomatidae
Cantioscyllium meyeri Case and Cappetta 1997 nurse shark
 Rajiformes - Sclerorhynchidae
Sclerorhynchus "sp. 1" Woodward 1889 ray
Sclerorhynchus fanninensis n. sp. Cappetta and Case 1999 ray
 Rajiformes - Ptychotrygonidae
Texatrygon copei n. sp. Cappetta and Case 1999 ray
 Rajiformes - Rhinobatidae
Rhinobatos ladoniaensis n. sp. Cappetta and Case 1999 guitarfish