Belair Drive stream, Bowie: Maastrichtian, Maryland
collected by Glaser, Hartstein, Decina, Keil 1986–1999
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes
- Myliobatiformes
- Myliobatidae
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Myliobatis sp.
Cuvier 1816
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Hartstein et al. 1999 | |||||||||
Chondrichthyes
- Myliobatiformes
- Rhombodontidae
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Rhombodus binkhorsti
Dames 1881
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Hartstein et al. 1999 | |||||||||
Chondrichthyes
- Myliobatiformes
- Dasyatidae
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Dasyatis sp.
Rafinesque 1810
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Hartstein et al. 1999 | |||||||||
Chondrichthyes
- Hybodontiformes
- Hybodontidae
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Hybodus sp.
Agassiz 1834
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Hartstein et al. 1999 | 1 specimen | ||||||||
cephalic hook | ||||||||||
Chondrichthyes
- Heterodontiformes
- Heterodontidae
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Heterodontus sp.
de Blainville 1816
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Hartstein et al. 1999 | |||||||||
Chondrichthyes
- Squatinidae
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Squatina hassei
Leriche 1929
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Hartstein et al. 1999 | |||||||||
Chondrichthyes
- Rajiformes
- Rajidae
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Raja farishi
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Hartstein et al. 1999 | |||||||||
Chondrichthyes
- Rajiformes
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Ewingia problematica
Case and Cappetta 1997
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Hartstein et al. 1999 | |||||||||
recombined as Tomewingia problematica | ||||||||||
Pseudohypolophus menultyi
|
Hartstein et al. 1999 | |||||||||
Chondrichthyes
- Rajiformes
- Rhinobatidae
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Rhinobatos sp.
Link 1790
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Hartstein et al. 1999 | |||||||||
Chondrichthyes
- Rajiformes
- Ptychotrygonidae
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Ptychotrygon vermiculata
Cappetta 1975
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Hartstein et al. 1999 | |||||||||
Chondrichthyes
- Rajiformes
- Sclerorhynchidae
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Ischyrhiza cf. avonicola
Estes 1964
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Hartstein et al. 1999 | |||||||||
Ischyrhiza mira
Leidy 1856
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Hartstein et al. 1999 | |||||||||
Chondrichthyes
- Carcharhiniformes
- Triakidae
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Galeorhinus giradoti
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Hartstein et al. 1999 | |||||||||
Chondrichthyes
- Orectolobiformes
- Ginglymostomatidae
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Plicatoscyllium antiquum
|
Hartstein et al. 1999 | |||||||||
Plicatoscyllium derameei
Case and Cappetta 1997
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Hartstein et al. 1999 | |||||||||
Ginglymostoma sp.
Müller and Henle 1838
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Hartstein et al. 1999 | |||||||||
Chondrichthyes
- Orectolobiformes
- Hemiscylliidae
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Chiloscyllium greeni
(Cappetta 1973)
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Hartstein et al. 1999 | |||||||||
Chondrichthyes
- Lamniformes
- Odontaspididae
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Odontaspis aculeatus
(Cappetta and Case 1975)
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Hartstein et al. 1999 | |||||||||
Chondrichthyes
- Lamniformes
- Carchariidae
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Carcharias samhammeri
(Cappetta and Case 1975)
|
Hartstein et al. 1999 | |||||||||
Carcharias holmdelensis
(Cappetta and Case 1975)
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Hartstein et al. 1999 | |||||||||
Chondrichthyes
- Lamniformes
- Serratolamnidae
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Lamna sp.
Cuvier 1816
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= Serratolamna serrata
Agassiz 1838
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Hartstein et al. 1999 | |||||||||
Chondrichthyes
- Lamniformes
- Anacoracidae
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Squalicorax pristodontus
(Agassiz 1835)
|
Hartstein et al. 1999 | |||||||||
Squalicorax kaupi
(Agassiz 1843)
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Hartstein et al. 1999 | |||||||||
Chondrichthyes
- Lamniformes
- Otodontidae
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Cretolamna appendiculata
(Agassiz 1835)
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Hartstein et al. 1999 | |||||||||
recombined as Cretalamna appendiculata | ||||||||||
Chondrichthyes
- Chimaeriformes
- Callorhynchidae
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Ischyodus sp.
Egerton 1843
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Hartstein et al. 1999 | |||||||||
Acipenseriformes
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Cylindracanthus sp.
Leidy 1856
|
Hartstein et al. 1999 | |||||||||
Reptilia
- Testudines
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Peritresius ornatus
(Leidy 1856)
|
Hartstein et al. 1999 | |||||||||
Trionyx priscus
Cope 1869
|
Hartstein et al. 1999 | |||||||||
nomen dubium belonging to Pantrionychidae | ||||||||||
Chelonia indet.
(Latreille 1800)
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Hartstein et al. 1999 | |||||||||
synonym of Testudines | ||||||||||
Reptilia
- Mosasauridae
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Mosasaurus sp.
Parkinson 1822
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Hartstein et al. 1999 | |||||||||
teeth | ||||||||||
Mosasaurus ? maximus
Cope 1869
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Hartstein et al. 1999 | 1 specimen | ||||||||
synonym of Mosasaurus hoffmannii | ||||||||||
tooth | ||||||||||
Reptilia
- Crocodylia
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Crocodylia indet.
(Owen 1842)
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Hartstein et al. 1999 | |||||||||
vertebrae | ||||||||||
Reptilia
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Thoracosaurus neocesariensis
(De Kay 1842)
|
Hartstein et al. 1999 | |||||||||
Goniopholis sp.
Owen 1842
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= cf. Allognathosuchus sp.
Mook 1921
|
Hartstein et al. 1999 | |||||||||
Bottosaurus harlani
(Meyer 1832)
|
Hartstein et al. 1999 | |||||||||
Deinosuchus rugosus
(Emmons 1858)
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Hartstein et al. 1999 | 1 specimen | ||||||||
original and current combination Polyptchodon rugosus | ||||||||||
tooth | ||||||||||
Reptilia
- Hadrosauridae
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Hadrosauridae indet.
Cope 1869
|
Hartstein et al. 1999 | |||||||||
teeth | ||||||||||
Reptilia
- Ornithomimidae
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Ornithomimidae indet.
Marsh 1890
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Hartstein et al. 1999 | 1 specimen | ||||||||
pedal phalanx | ||||||||||
Reptilia
- Plesiosauria
- Elasmosauridae
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Cimoliasaurus magnus
(Leidy 1851)
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Hartstein et al. 1999 | 3 specimens | ||||||||
original and current combination Cimoliosaurus magnus | ||||||||||
2 teeth, 1 vertebra | ||||||||||
Actinopteri
- Pycnodontiformes
- Pycnodontidae
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Pycnodus cf. phaseolus
Hay 1899
|
Hartstein et al. 1999 | |||||||||
recombined as Anomoeodus phaseolus | ||||||||||
Hadrodus sp.
Leidy 1857
|
Hartstein et al. 1999 | |||||||||
Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteus sp.
Agassiz 1843
|
Hartstein et al. 1999 | |||||||||
Actinopteri
- Aulopiformes
- Enchodontidae
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Enchodus ferox
Leidy 1855
|
Hartstein et al. 1999 | |||||||||
Actinopteri
- Elopiformes
- Phyllodontidae
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Egertonia sp.
Cocchi 1866
|
Hartstein et al. 1999 | |||||||||
Paralbula casei
Estes 1969
|
Hartstein et al. 1999 | |||||||||
Actinopteri
- Albuliformes
- Albulidae
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Albulidae indet.
Bleeker 1859
|
Hartstein et al. 1999 | |||||||||
see common names |
Geography
Country: | United States | State/province: | Maryland | County: | Prince George's |
Coordinates: | 39.0° North, 76.7° West (view map) | ||||
Paleocoordinates: | 39.8° North, 52.1° West | ||||
Basis of coordinate: | stated in text | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
Key time interval: | Maastrichtian | ||
Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
Formation: | Severn |
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | concretionary,pebbly,phosphatic,sideritic,gray sandstone |
Includes fossils? | Y |
Lithology description: "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." | |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils,mesofossils |
Disassociated major elements: | many |
Spatial resolution: | parautochthonous |
Collection methods and comments
Collection methods: | surface (float),surface (in situ),field collection | ||
Reason for describing collection: | general faunal/floral analysis | ||
Collectors: | Glaser, Hartstein, Decina, Keil | Collection dates: | 1986–1999 |
Metadata
Database number: | 83331 | ||
Authorizer: | M. Carrano | Enterer: | M. Carrano |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2008-08-18 08:10:18 | Last modified: | 2023-06-15 10:58:16 |
Access level: | the public | Released: | 2008-08-18 08:10:18 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
27982. | ETE | J. D. Glaser. 1979. Collecting fossils in Maryland. Maryland Geological Survey Educational Series 4:1-83 [M. Carrano/M. Carrano] |
Secondary references:
40545 | E. F. Hartstein, L. E. Decina, and R. F. Keil. 1999. A Late Cretaceous (Severn Formation) Vertebrate Assemblage from Bowie, Maryland. The Mosasaur 6:17-23 [M. Uhen/M. Shalap/M. Shalap] | |
85047 | D. B. Weishampel and L. Young. 1996. Dinosaurs of the East Coast xiii-275 [M. Carrano/M. Carrano] |