Reedy Point Spoils: Early/Lower Maastrichtian, Delaware
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Chondrichthyes
- Lamniformes
- Carchariidae
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Odontaspis samhammeri
Cappetta and Case 1975
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| recombined as Carcharias samhammeri | ||||||||||
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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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Chondrichthyes
- Rajiformes
- Sclerorhynchidae
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Ischyrhiza mira
Leidy 1856
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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: | 40.1° North, 51.3° West | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| Key time interval: | Early/Lower Maastrichtian | ||
| Age range of interval: | 72.10000 - 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: Gray, green, white to red-brown, glauconitic , fine to medium silty quartz sand. Contains a macroinvertebrate fauna of well over a hundred species. This formation also contains a fair amount of shark material. 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: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 126811 | ||
| Authorizer: | M. Uhen | Enterer: | M. Shalap |
| Modifier: | M. Carrano | ||
| Created: | 2012-04-18 09:29:47 | Last modified: | 2016-05-03 17:29:27 |
| Access level: | the public | Released: | 2012-04-18 09:29:47 |
| 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] |