Severn Formation
Geological Formation in Maryland
From Wikipedia, the free encyclopedia
The Severn Formation is a Mesozoic geologic formation in Maryland. Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.[1]
| Severn Formation | |
|---|---|
Stratigraphic range: | |
| Type | Geological formation |
Paleofauna
Dinosaurs
- "Coelosaurus" antiquus[2]
- Ornithomimidae indet.[3]
- Hadrosauridae indet.[2][3]
Plesiosaurs
Mosasaurs
Crocodylomorphs
Turtles
Chondrichthyans
- Carcharias holmdelensis[3]
- Carcharias samhammeri[3]
- Chiloscyllium greeni[3]
- Cretalamana appendiculata[3]
- Dasyatis sp.[3]
- Tomewingia problematica[3]
- Galeorhinus garadoti[3]
- Ginglymostoma sp.[3]
- Heterodontus sp.[3]
- Hybodus sp.[3]
- Ischyrhiza cf. avonicola[3]
- Ischyrhiza mira[3]
- Myliobatis sp.[3]
- Odontaspis aculeatus[3]
- Plicatoscyllium antiquum[3]
- Plicatoscyllium derameei[3]
- Pseudohypolophus mcnultyi[3]
- Ptychotrygon vermiculata[3]
- Raja farishi[3]
- Rhinobatos sp.[3]
- Rhombodus binkhorsti[3]
- Serratolamna serrata[3]
- Squalicorax kaupi[3]
- Squalicorax pristodontus[3]
- Squatina hassei[3]
- Ischyodus sp.[3]
Osteichthyans
- Albuidae indet.[3]
- Anomoedus cf. haseolus[3]
- Cylinadracanthus sp.[3]
- Egertonia sp.[3]
- Enchodus ferox[3]
- Hadrodus sp.[3]
- Lepidosteus sp.[3]
- Paralbula casei[3]
