Kemp Clay Formation (Cretaceous of the United States)

Also known as Kemp Clay, located in the north bank of the South Sulphur River, situated approximately five miles from Commerce, Hunt County,Texas(U.S.A).

Where: Hunt County County, Texas (33.3° N, 96.0° W: paleocoordinates 38.3° N, 73.9° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Kemp Clay Formation (Navarro Group), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

Environment/lithology: marine; lithified claystone and lithified sandstone

• quartz sand and clay

Size class: mesofossils

Primary reference: G. R. Case and H. Cappetta. 1997. A new Selachian Fauna from the Late Maastrichtian of Texas (Upper Cretaceous/Navarroan; Kemp Formation). Münchner Geowissenschaftliche Abhandlungen (A)(34):131-189 [J. Kriwet/W. Glaeser/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 61738: authorized by Juergen Kriwet, entered by Wolfgang Glaeser on 27.06.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Ewingia problematica n. gen. n. sp.
Ewingia problematica n. gen. n. sp. cartilaginous fish
 Plagiostomi - Squalidae
Squalus huntensis n. sp. dogfish shark
 Hybodontiformes -
 Rajiformes -
 Rajiformes - Rhinobatidae
Rhinobatos uvulatus n. sp. guitarfish
Rhinobatos craddocki n. sp. guitarfish
 Rajiformes -
Protoplatyrhina renae Case 1978 guitarfish
 Rajiformes - Rajidae
Raja farishi n. sp.
Raja farishi n. sp. skate
 Sclerorhynchiformes - Sclerorhynchidae
Sclerorhynchus pettersi n. sp. elasmobranch
Ischyrhiza monasterica n. sp. elasmobranch
Ischyrhiza mira Leidy 1856 elasmobranch
 Sclerorhynchiformes - Ptychotrygonidae
Ptychotrygon winni n. sp. elasmobranch
Ptychotrygon vermiculata Cappetta 1975 elasmobranch
 Myliobatiformes -
Coupatezia turneri n. sp. Case and Cappetta 1997 stingray
 Myliobatiformes - Dasyatidae
Dasyatis commercensis n. sp. whiptail stingray
 Myliobatiformes -
Texabatis corrugata n. gen. n. sp.
Texabatis corrugata n. gen. n. sp. stingray
 Myliobatiformes - Rhombodontidae
Rhombodus ? sp. Dames 1881 stingray
Rhombodus binkhorsti Dames 1881 stingray
 Lamniformes - Anacoracidae
Pseudocorax granti mackerel shark
Squalicorax kaupi Agassiz 1843 crow shark
Squalicorax pristodontus Agassiz 1843 crow shark
 Lamniformes - Mitsukurinidae
Scapanorhynchus sp. Woodward 1889 goblin shark
Anomotodon toddi n. sp. goblin shark
 Lamniformes - Cretoxyrhinidae
Serratolamna serrata mackerel shark
Cretolamna maroccana mackerel shark
 Lamniformes - Odontaspididae
Odontaspis aculeatus sand tiger shark
Carcharias heathi n. sp. sand shark
 Carchariniformes - Triakidae
Palaeogaleus navarroensis n. sp. hound shark
 Carchariniformes -
Squatigaleus sulphurensis n. sp. ground shark
 Heterodontiformes - Heterodontidae
Heterodontus granti n. sp. bullhead shark
  - Scyllidae
 Orectolobiformes - Ginglymostomatidae
Ginglymostoma sp. Müller and Henle 1838 nurse shark
Nebrius sp. Rüppell 1837 nurse shark
Cantioscyllium meyeri n. sp. nurse shark
Plicatoscyllium antiquum n. gen. n. sp. nurse shark
Plicatoscyllium derameei n. gen. n. sp. nurse shark
 Orectolobiformes -
Cretorectolobus cf. olsoni Case 1978 carpet shark
 Hexanchiformes - Hexanchidae
Hexanchus sp. Rafinesque 1810 sixgill shark