Mesa Portales (Cretaceous of the United States)

Where: Sandoval County, New Mexico (35.7° N, 107.0° W: paleocoordinates 42.7° N, 78.5° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Pictured Cliffs Sandstone Formation, Late/Upper Campanian (83.5 - 70.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marginal marine; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: S. G. Lucas and T. E. Williamson. 1993. New Mexico Museum of Natural History Bulletin 2 [J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 14472: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

• "one locality" and the only vertebrate locality in this unit
Chondrichthyes
 Squatiniformes - Squatinidae
Squatina sp. Dumeril 1806 angel shark
 Hybodontiformes - Hybodontidae
Hybodus sp. Agassiz 1837 elasmobranch
 Rajiformes -
Protoplatyrhina renae Case 1978 guitarfish
 Sclerorhynchiformes - Sclerorhynchidae
Sclerorhynchidae indet. Capetta 1974 elasmobranch
"gen. et sp. nov."
Ischyrhiza mira Leidy 1856 elasmobranch
 Sclerorhynchiformes - Ptychotrygonidae
Ptychotrygon boothi elasmobranch
Ptychotrygon blainensis Case 1978 elasmobranch
 Myliobatiformes - Dasyatidae
cf. Myledaphus sp. Cope 1876 whiptail stingray
 Lamniformes - Anacoracidae
Squalicorax kaupi Agassiz 1843 crow shark
 Lamniformes - Cretoxyrhinidae
Cretodus sp. Sokolov 1965 mackerel shark
Cretodus arcuata mackerel shark
 Lamniformes - Odontaspididae
Odontaspis cheethami sand tiger shark
Odontaspis cf. sanguinei Case 1978 sand tiger shark
 Orectolobiformes - Ginglymostomatidae
cf. Cantioscyllium sp. Woodward 1889 nurse shark
 Synechodontiformes - Palaeospinacidae
cf. Synechodus sp. Woodward 1888 elasmobranch
Actinopteri
 Elopiformes - Phyllodontidae
Paralbula sp. Blake 1940
 Salmoniformes - Enchodontidae
Enchodus sp. Agassiz 1843
Reptilia
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
 Saurischia -
Saurischia indet. saurischian
 Neornithischia -
Hadrosauroidea indet. bird foot dinosaur
 Crocodylia - Alligatoridae
Alligatoridae indet. Gray 1844 crocodilian
 Sauropterygia - Elasmosauridae
Elasmosauridae indet. Cope 1869 elasmosaur
Mammalia
 Theriiformes -
Theria indet. Parker and Haswell 1897 mammal
 Multituberculata - Cimolomyidae
Cimolomys sp. Marsh 1889 multituberculate