Delaware Geological Survey

Delaware Fossil Check List

Delaware Fossil Check List

See where each fossil lies within the rock formations of the Chesapeake and Delaware Canal.

Explanation:

x - fossil occurs in formation
Kml - Mount Laurel Formation (app. 71-73 million years old)
Kmt - Marshalltown Formation (app. 73-76 million years old)
Ket - Englishtown Formation (app. 76-78 million years old)
Kmv - Merchantville Formation (app. 78-84 million years old)
    Kml Kmt Ket Kmv

PROTOZOA (Foraminifera)

Citharina sp. x      
Dentalina sp. x      
PORIFERA Cliona cretacica x x   x
CNIDARA Micrabacia hilgardi x      
Solitary horn-shaped coral x      
BRYOZOA Cyolostome sp. x      
Frurionella sp. x      
Heteropora sp. x      
BRACHIOPODA Terebratulina cooperi x      
    Kml Kmt Ket Kmv
MOLLUSCA (Gastropoda) Anisomyon jessupi x      
Architectonica voragiformis x      
Calliomphalus sp. x     x
Cylichna recta x      
Eoacteon sp. x      
Euspira halli x   x x
Gyrodes sp. x x x x
Gyrodes crenata   x    
Haustator trilira x x    
Laxispira sp x x   x
Longoconcha sp. x x   x
Margaritella pumila x x    
Napulus sp. x     x
Piestochilus bella       x
Turritella sp. x x x x
Turritella encrinoides   x    
Turritella trilira x      
Volutomorpha? delawarensis        
Xenophora leprosa x     x
    Kml Kmt Ket Kmv
MOLLUSCA (Pelecypoda) Anomia sp. x x   x
Anomia tellinoides x      
Cardium sp. x x   x
Clavagella armata x      
Corbula bisulcata x      
Crassatella sp.   x x x
Cucullaea neglecta   x    
Cucullaea sp. x x   x
Cucullaea vulgaris       x
Cymella bella       x
Cyprimeria cf. C. excavata   x    
Exogyra cancellata x      
Exogyra costata x      
Exogyra ponderosa   x x x
Exogyra ponderosa erraticostata   x    
Gervilliopsis ensiformis       x
Glycimeris mortoni       x
Granocardium tenuistriatum   x    
Gryphaeostrea vomer x x    
Inoceramus proximus     x  
Linearia metastriata        x
Liopistha protexta x   x x
Lithophaga ripleyana x      
Neithea quinquecostata x x   x
Nemodon sp. x      
Nuculana sp. x x   x
Ostrea (Lopha) falcata x x    
Ostrea mesenterica x      
Ostrea monmouthensis   x    
Panopea decisa       x
Pecten whitfieldi   x    
Pholadomya occidentalis       x
Postligata crenata x     x
Pyncnodonte mutabilis x x    
Ptennipteria? sp.        
Pteria laripes        
Pulvinites argenteus       x
Trachycardium cf. C. longstreeti       x
Trigonia sp. x x    
Unicardium umbonata   x    
    Kml Kmt Ket Kmv
MOLLUSCA (Cephalopoda) Baculites ovatus x      
Belemnitella americana x      
Menabites delawarensis       x
Oxybeloceras sp. x      
Placenticeras placenta       x
ANNELIDA Hamulus sp. x     x
Serpula implicata x     x
ARTHROPODA Callianassa mortoni x x   x
Hoploparia gabbi   x   x
Ophiomorpha nodosa x x x  
Tetracarcinus subquadratus   x   x
ECHINODERMATA Boletechinus sp. x      
Catopygus williamsi x      
Dunnicrinus sp. x      
Echinoid spines and plates x      
Hemiaster sp.     x  
Phymosoma sp. x      
    Kml Kmt Ket Kmv
CHORDATA (Chondrichthyes) Ischyrhiza mira x x   x
Odontaspis sp. x x   x
Ray vertebrae x x   x
Scapanorhynchus texanus   x   x
Shark vertebrae x x   x
Squalicorax kaupi x x   x
CHORDATA (Osteichthyes) Anomoeodus phaseolus x x   x
Bony fish vertebrae x x   x
Enchodus ferox x x   x
CHORDATA (Reptilia) Mosasaurus sp. x x   x
Turtle shell fragments   x   x
    Kml Kmt Ket Kmv

Delaware Geological Survey © 2007
http://www.dgs.udel.edu