Belair Drive stream, Bowie (Cretaceous of the United States)

Where: Prince George's County, Maryland (39.0° N, 76.7° W: paleocoordinates 39.8° N, 52.1° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Severn Formation, Maastrichtian (72.1 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; concretionary, pebbly, phosphatic, sideritic, gray sandstone

• "a thin bed of compact pale-gray sand...containing scattered quartz pebbles, dark phosphate lumps, teeth, and large siderite concretions, overlies a dark-gray, dense micaceous silty clay which is the top of the Matawan Formation."

Size classes: macrofossils, mesofossils

Collected by Glaser, Hartstein, Decina, Keil in 1986–1999

Collection methods: surface (float), surface (in situ),

Primary reference: J. D. Glaser. 1979. Collecting fossils in Maryland. Maryland Geological Survey Educational Series 4:1-83 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 83331: authorized by Matthew Carrano, entered by Matthew Carrano on 18.08.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Squamata - Mosasauridae
Mosasaurus sp., "Mosasaurus ? maximus" = Mosasaurus hoffmannii
Mosasaurus sp. Parkinson 1822 mosasaur
teeth
"Mosasaurus ? maximus" = Mosasaurus hoffmannii Mantell 1829 mosasaur
tooth
 Testudines - Pantrionychidae
Trionyx priscus
Trionyx priscus Cope 1869 turtle
 Testudines - Pancheloniidae
Peritresius ornatus
Peritresius ornatus Leidy 1856 turtle
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
 Plesiosauria - Elasmosauridae
Cimoliasaurus magnus
Cimoliasaurus magnus Leidy 1851 elasmosaur
2 teeth, 1 vertebra
 Loricata -
Crocodylia indet.
Crocodylia indet. crocodilian
vertebrae
 Crocodylia -
Deinosuchus rugosus
Deinosuchus rugosus Emmons 1858 crocodilian
tooth
 Crocodylia - Alligatoridae
cf. Allognathosuchus sp., Bottosaurus harlani
cf. Allognathosuchus sp. Mook 1921 crocodilian
Bottosaurus harlani Meyer 1832 crocodilian
 Crocodylia - Gavialidae
Thoracosaurus neocesariensis
Thoracosaurus neocesariensis De Kay 1842 crocodilian
 Ornithischia - Hadrosauridae
Hadrosauridae indet.
Hadrosauridae indet. Cope 1869 hadrosaurid
teeth
 Theropoda - Ornithomimidae
Ornithomimidae indet.
Ornithomimidae indet. Marsh 1890 ornithomimid
pedal phalanx
Actinopteri
 Lepisosteiformes - Lepisosteidae
Lepisosteus sp.
Lepisosteus sp. Agassiz 1843 gar
 Albuliformes - Albulidae
Albulidae indet.
Albulidae indet. Bleeker 1859 bonefish
 Elopiformes - Phyllodontidae
Paralbula casei, Egertonia sp.
Paralbula casei Estes 1969
Egertonia sp. Cocchi 1866
 Aulopiformes - Enchodontidae
Enchodus ferox
Enchodus ferox Leidy 1855
 Pycnodontiformes - Pycnodontidae
"Pycnodus cf. phaseolus" = Anomoeodus phaseolus, Hadrodus sp.
"Pycnodus cf. phaseolus" = Anomoeodus phaseolus Hay 1899
Hadrodus sp. Leidy 1857
Osteichthyes
 Acipenseriformes -
Cylindracanthus sp.
Cylindracanthus sp. Leidy 1856 ray-finned fish
Chondrichthyes
 Myliobatiformes - Rhombodontidae
Rhombodus binkhorsti
Rhombodus binkhorsti Dames 1881 stingray
 Myliobatiformes - Myliobatidae
Myliobatis sp.
Myliobatis sp. Cuvier 1816 eagle ray
 Myliobatiformes - Dasyatidae
Dasyatis sp.
Dasyatis sp. Rafinesque 1810 whiptail stingray
 Heterodontiformes - Heterodontidae
Heterodontus sp.
Heterodontus sp. de Blainville 1816 bullhead shark
 Squatiniformes - Squatinidae
Squatina hassei
Squatina hassei Leriche 1929 angel shark
 Rajiformes - Ptychotrygonidae
Ptychotrygon vermiculata
Ptychotrygon vermiculata Cappetta 1975 ray
 Rajiformes - Sclerorhynchidae
Ischyrhiza cf. avonicola, Ischyrhiza mira
Ischyrhiza mira Leidy 1856 ray
 Rajiformes -
"Ewingia problematica" = Tomewingia problematica
"Ewingia problematica" = Tomewingia problematica Case and Cappetta 1997 ray
 Rajiformes - Rhinobatidae
Rhinobatos sp.
Rhinobatos sp. Link 1790 guitarfish
 Rajiformes -
Pseudohypolophus menultyi
 Rajiformes - Rajidae
Raja farishi
 Lamniformes - Odontaspididae
Odontaspis aculeatus
Odontaspis aculeatus Cappetta and Case 1975 sand tiger shark
 Lamniformes - Serratolamnidae
Serratolamna serrata
Serratolamna serrata Agassiz 1838 mackerel shark
 Lamniformes - Otodontidae
"Cretolamna appendiculata" = Cretalamna appendiculata
"Cretolamna appendiculata" = Cretalamna appendiculata Agassiz 1835 mackerel shark
 Lamniformes - Carchariidae
Carcharias holmdelensis, Carcharias samhammeri
Carcharias holmdelensis Cappetta and Case 1975 sand shark
Carcharias samhammeri Cappetta and Case 1975 sand shark
 Lamniformes - Anacoracidae
Squalicorax pristodontus, Squalicorax kaupi
Squalicorax pristodontus Agassiz 1835 crow shark
Squalicorax kaupi Agassiz 1843 crow shark
 Orectolobiformes - Hemiscylliidae
Chiloscyllium greeni
Chiloscyllium greeni Cappetta 1973 carpet shark
 Orectolobiformes - Ginglymostomatidae
Ginglymostoma sp., Plicatoscyllium antiquum, Plicatoscyllium derameei
Ginglymostoma sp. Müller and Henle 1838 nurse shark
Plicatoscyllium derameei Case and Cappetta 1997 nurse shark
 Carcharhiniformes - Triakidae
Galeorhinus giradoti
 Hybodontiformes - Hybodontidae
Hybodus sp.
Hybodus sp. Agassiz 1834 elasmobranch
cephalic hook
 Chimaeriformes - Callorhynchidae
Ischyodus sp.
Ischyodus sp. Egerton 1843 plownose chimaera