Biggs Farm, St. George: Late/Upper Campanian - Early/Lower Maastrichtian, Delaware
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Mosasauridae
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Halisaurus platyspondylus
(Marsh 1869)
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Gallagher 1993 | |||||||||
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Chondrichthyes
- Rajiformes
- Sclerorhynchidae
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Ischyrhiza mira
Leidy 1856
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Chondrichthyes
- Squatinidae
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Squatina hassei
Leriche 1929
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Chondrichthyes
- Lamniformes
- Carchariidae
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Odontaspis holmdelensis
Cappetta and Case 1975
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| recombined as Carcharias holmdelensis | ||||||||||
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Odontaspis samhammeri
Cappetta and Case 1975
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| recombined as Carcharias samhammeri | ||||||||||
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Chondrichthyes
- Lamniformes
- Pseudocoracidae
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Pseudocorax granti
Cappetta and Case 1975
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Chondrichthyes
- Lamniformes
- Odontaspididae
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Hypotodus aculeatus
Cappetta and Case 1975
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| recombined as Odontaspis aculeatus | ||||||||||
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Chondrichthyes
- Lamniformes
- Otodontidae
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Cretolamna appendiculata
(Agassiz 1835)
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| recombined as Cretalamna appendiculata | ||||||||||
| Cretolamna appendiculata pachyrhiza | ||||||||||
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Chondrichthyes
- Lamniformes
- Anacoracidae
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Squalicorax kaupi
(Agassiz 1843)
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Squalicorax pristodontus
(Agassiz 1835)
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Delaware | County: | New Castle |
| Coordinates: | 39.6° North, 75.6° West (view map) | ||||
| Paleocoordinates: | 39.4° North, 46.9° West | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Key time interval: | Late/Upper Campanian - Early/Lower Maastrichtian | ||
| Age range of interval: | 83.60000 - 66.00000 m.y. ago |
Stratigraphy
| Geological group: | Monmouth | Formation: | Mount Laurel |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | medium,glauconitic,brown,green,red,white silty,sandy quartzite |
| Includes fossils? | Y |
| Lithology description: Gr ay, gr e en, whi t e to red~brown, gl auconi t i c , f ine to medium s i l ty qua r t z s and. Cont a ins a ma c roinve r t ebr a t e f auna of we l l ove r a hundr ed spe c i e s . Thi s forma t ion a l so cont a ins a f a i r amount of sha rk ma t e r i a l . The l i thology and fos s i l s indi c a t e tha t i t wa s depos i t ed dur ing a s l ight r egr e s s ion | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection excludes: | all macrofossils |
| Collection methods: | survey of museum collection |
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 126598 | ||
| Authorizer: | M. Uhen, M. Carrano | Enterer: | M. Shalap, M. Carrano |
| Modifier: | P. Mannion | ||
| Created: | 2012-04-09 10:21:21 | Last modified: | 2020-08-17 11:42:57 |
| Access level: | the public | Released: | 2012-04-09 10:21:21 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 41092. | E. M. Lauginiger and E. F. Hartstein. 1983. A guide to fossil sharks, skates, and rays from the Chesapeake and Delaware Canal area, Delaware. Open File Report - Delaware Geological Survey 21:1-63 [M. Uhen/M. Shalap/M. Shalap] |
Secondary references:
| 54671 | W. B. Gallagher. 1993. The Cretaceous/Tertiary mass extinction event in the North Atlantic coastal plain. The Mosasaur 5:75-154 [M. Carrano/M. Carrano] |