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

Chondrichthyes
 Myliobatiformes -
Coupatezia turneri n. sp., Texabatis corrugata n. gen. n. sp.
Coupatezia turneri n. sp. Case and Cappetta 1997 stingray
Texabatis corrugata n. gen. n. sp. stingray
 Myliobatiformes - Rhombodontidae
Rhombodus ? sp. Dames 1881 stingray
Rhombodus binkhorsti Dames 1881 stingray
 Myliobatiformes - Dasyatidae
Dasyatis commercensis n. sp. whiptail stingray
 Hexanchiformes - Hexanchidae
Hexanchus sp. Rafinesque 1810 sixgill shark
 Heterodontiformes - Heterodontidae
Heterodontus granti n. sp. bullhead shark
 Squaliformes - Squalidae
Squalus huntensis n. sp. dogfish shark
 Rajiformes -
Protoplatyrhina renae Case 1978 guitarfish
 Rajiformes - Rhinobatidae
Rhinobatos uvulatus n. sp. guitarfish
Rhinobatos craddocki n. sp. guitarfish
 Rajiformes - Sclerorhynchidae
Ischyrhiza mira, "Ischyrhiza monasterica n. sp." = Ischyrhiza avonicola, Sclerorhynchus pettersi n. sp.
Ischyrhiza mira Leidy 1856 ray
"Ischyrhiza monasterica n. sp." = Ischyrhiza avonicola Estes 1964 ray
 Rajiformes - Ptychotrygonidae
Ptychotrygon winni n. sp. Case and Cappetta 1997 ray
Ptychotrygon vermiculata Cappetta 1975 ray
 Rajiformes -
"Ewingia problematica n. gen. n. sp." = Tomewingia problematica
"Ewingia problematica n. gen. n. sp." = Tomewingia problematica Case and Cappetta 1997 ray
 Rajiformes - Rajidae
Raja farishi n. sp.
Raja farishi n. sp. skate
 Orectolobiformes - Ginglymostomatidae
Nebrius sp. Rüppell 1837 nurse shark
Ginglymostoma sp. Müller and Henle 1838 nurse shark
Cantioscyllium meyeri n. sp. Case and Cappetta 1997 nurse shark
Plicatoscyllium antiquum n. gen. n. sp. nurse shark
Plicatoscyllium derameei n. gen. n. sp. Case and Cappetta 1997 nurse shark
 Orectolobiformes - Orectolobidae
Cretorectolobus cf. olsoni Case 1978 wobbegong
 Carcharhiniformes - Scyliorhinidae
Scyliorhinus ivagrantae n. sp. cat shark
 Carcharhiniformes - Triakidae
Palaeogaleus navarroensis n. sp. Case and Cappetta 1997 hound shark
Squatigaleus sulphurensis n. sp. hound shark
Galeorhinus aff. girardoti Herman 1977 school shark
 Lamniformes - Alopiidae
"Anomotodon toddi n. sp." = Paranomotodon toddi
"Anomotodon toddi n. sp." = Paranomotodon toddi Case and Cappetta 1997 thresher shark
 Lamniformes - Carchariidae
"Carcharias cf. samhammeri" = Carcharias samhammeri, "Carcharias heathi n. sp." = Carcharias samhammeri, Carcharias holmdelensis
"Carcharias cf. samhammeri" = Carcharias samhammeri Cappetta and Case 1975 sand shark
"Carcharias heathi n. sp." = Carcharias samhammeri Cappetta and Case 1975 sand shark
Carcharias holmdelensis Cappetta and Case 1975 sand shark
 Lamniformes - Otodontidae
Cretolamna maroccana mackerel shark
 Lamniformes - Anacoracidae
Squalicorax kaupi Agassiz 1843 crow shark
Squalicorax pristodontus Agassiz 1835 crow shark
 Lamniformes - Odontaspididae
Odontaspis aculeatus Cappetta and Case 1975 sand tiger shark
 Lamniformes - Pseudocoracidae
Pseudocorax granti Cappetta and Case 1975 mackerel shark
 Lamniformes - Serratolamnidae
Serratolamna serrata Agassiz 1838 mackerel shark
 Lamniformes - Mitsukurinidae
Scapanorhynchus sp. Woodward 1889 goblin shark
 Hybodontiformes -