This list of the Mesozoic life of Delaware contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Delaware and are between 252.17 and 66 million years of age.

A

†Acteon †Acteon cretacea †Acutostrea †Acutostrea plumosa †Aenona – tentative report †Aenona eufaulensis †Agerostrea †Agerostrea mesenterica †Amaurellina †Amaurellina stephensoni †Ambigostrea †Ambigostrea tecticosta †Ampullina †Ampullina lepta †Ampullina lirata †Ampullina meekana †Anaklinoceras †Anaklinoceras reflexum †Anaklinoceras tenuicostatum †Anchura – tentative report †Anisomyon – tentative report †Anisomyon borealis †Anisomyon jessupi †Anomalofusus †Anomalofusus substriatus – tentative report †Anomia †Anomia argentaria †Anomia radiata †Anomia tellinoides †Anomoeodus †Anomoeodus phaseolus †Aphrodina †Aphrodina eufaulensis †Aphrodina tippana †Apsopelix †Apsopelix anglicus †Araloselachus †Araloselachus cuspidata †Arca †Arca macnairyensis Architectonica – or unidentified comparable form †Architectonica voragiformis Arrhoges Astarte – tentative report †Avellana †Avellana bullata

B

†Baculites †Baculites haresi †Baculites minerensis †Baculites ovatus †Baculites undatus Barbatia †Belemnitella †Belemnitella americana †Bellifusus †Bellifusus curvicostatus †Belliscala – or unidentified comparable form †Belliscala creideri †Beretra Bernaya †Bernaya burlingtonensis †Bonnerichthys †Bonnerichthys gladius †Brachyrhizodus †Brachyrhizodus wichitaensis †Breviarca †Breviarca haddonfieldensis †Breviarca richardsi – tentative report †Buccinopsis †Bulla †Bulla macrostromata

C

Cadulus †Cadulus obnutus Caestocorbula †Caestocorbula crassiplica †Calliomphalus †Calliomphalus americanus – tentative report †Calliomphalus nudus †Calliomphalus paucispirilus †Camptonectes †Camptonectes bellisculptus †Camptonectes burlingtonensis †Cantharulus – tentative report Capulus

†Cardium spillmani Caryocorbula †Caveola †Cenomanocarcinus †Cenomanocarcinus robertsi Cerithium †Cerithium weeksi †Chesapeakiceras †Chesapeakiceras nodatum – type locality for species Clavagella †Clavagella armata †Clidastes – or unidentified comparable form Cliona †Clisocolus †Coelosaurus †Coelosaurus antiquus Corbula Crassatella †Crassatella newkirkensis †Crassatella vadosa †Crenella †Crenella serica †Cretodus †Cretodus borodini †Cretolamna †Cretolamna appendiculata †Cryptotexanites †Cryptotexanites paedomorphicus – type locality for species Cucullaea †Cucullaea tippana †Cucullaea vulgaris Cuspidaria †Cuspidaria grandis Cylichna †Cylichna secalina †Cylindrocanthus – or unidentified comparable form †Cymbophora †Cymbophora subtilis †Cymella †Cymella bella †Cymella ironensis †Cyprimeria †Cyprimeria excavata

D

†Dentalium †Dentalium intercalatum †Dentalium subarctuatum †Dhondtichlamys – tentative report †Dhondtichlamys venustus †Didymoceras †Didymoceras binodosum †Didymoceras cheyennense †Didymoceras draconis †Didymoceras platycostatum †Didymoceras stevensoni †Distefania †Distefania lauginigeri †Drepanochilus †Dryptosaurus

E

†Ecphora – tentative report †Ellipsoscapha Emarginula †Enchodus †Enchodus ferox †Endoptygma – or unidentified comparable form †Endoptygma leprosa †Eoacteon †Eoacteon percultus †Etea †Etea carolinensis †Eufistulana †Eulophoceras – tentative report †Euspira †Euspira rectilabrum †Eutrephoceras †Eutrephoceras dekayi †Exiteloceras †Exiteloceras jenneyi †Exogyra †Exogyra cancellata †Exogyra costata †Exogyra ponderosa †Exogyra ponderosa erraticostata

G

Gastrochaena †Gegania †Gegania bella †Gervilliopsis Ginglymostoma †Ginglymostoma globidens †Ginglyostoma †Ginglyostoma globidens †Globidens †Globidens alabamensis Glossus Glycymeris †Glycymeris mortoni †Graciliala †Graciliala johnsoni †Granocardium †Granocardium dumosum †Granocardium kummeli †Granocardium tenuistriatum †Gryphaeostrea †Gryphaeostrea vomer Gyrodes †Gyrodes abyssinus †Gyrodes americanus – tentative report †Gyrodes supraplicatus †Gyrodes vetrosus

H

†Halisaurus †Halisaurus platyspondylus †Hamulus †Hamulus major †Hamulus onyx †Harduinia †Harduinia florealis Haustator – or unidentified comparable form †Haustator lenolensis Hemiaster †Hemiaster delawarensis †Hemiaster ungula †Hercorhyncus †Hoploscaphites †Hoploscaphites vistulensis †Hybodus †Hypotodus †Hypotodus aculeatus

I

†Inoceramus †Ischyodus †Ischyodus bifurcatus †Ischyrhiza †Ischyrhiza avonicola – or unidentified comparable form †Ischyrhiza mira

J

†Jeletzkytes †Jeletzkytes compressus Juliacorbula – or unidentified comparable form †Juliacorbula swedesboroensis

L

†Latiala – or unidentified comparable form †Latiala lobata †Laxispira †Laxispira lumbricalis †Laxispira monilifera †Legumen †Legumen concentricum †Legumen ellipticum – tentative report †Legumen planulatum Lepisosteus – or unidentified comparable form †Leptosolen †Leptosolen biplicata Lima †Lima lorillardensis †Linearis †Linearis contracta †Linearis magnoliensis †Linearis metastriata †Lingula – tentative report †Liopistha †Liopistha alternata – tentative report †Liopistha protexta †Lissodus †Lissodus babulskii Lithophaga †Lithophaga julia †Longoconcha Lopha †Lopha falcata †Lucina †Lyriochlamys – or unidentified comparable form Malletia †Malletia longifrons †Malletia protexta – tentative report †Malletia stephensoni †Margaritella Martesia †Mathilda †Menabites †Menabites delawarensis †Menabites vanuxemi †Menuites †Menuites portlocki †Micrabacia †Micrabacia marylandica †Morea – or unidentified comparable form †Morea marylandica

N

†Napulus †Napulus reesidei †Neithea †Neithea quinquecostata †Nemocardium †Nemocardium parahillanum †Nemodon †Nemodon eufaulensis †Nonactaeonina †Notoceras †Notoceras monotuberculatum Nucula †Nucula percrassa †Nucula whitfieldi – tentative report Nuculana †Nuculana compressifrons †Nuculana marlboroensis †Nuculano †Nuculano stephensani †Nudivagus †Nymphalucina †Nymphalucina parva

O

Odontaspis †Odontaspis macrota †Odontaspis sahammeri †Odontaspis samhammeri †Ornithomimus †Ornithomimus antique †Ornopsis – or unidentified comparable form †Ornopsis digressa Ostrea

P

†Pachydiscus †Pachymelania †Paladmete †Paladmete cancellaria †Paladmete gardnerae †Palaeocypraea †Palaeocypraea grooti – type locality for species Panopea †Panopea decisa †Paralbula †Paralbula casei † Paranomia †Paranomia scabra †Paranomotodon †Paranomotodon agustidens †Paranomotodon angustidens †Parietiplicatum – or unidentified comparable form †Parietiplicatum conicum †Parmicorbula †Parmicorbula bisulcata Patella †Patella tentorium †Pecten Pholadomya †Pholadomya occidentalis Pholas – tentative report †Pinna †Pinna laqueata †Placenticeras †Placenticeras placenta †Placenticeras syrtale †Pleuriocardia – or unidentified related form †Pleuriocardia donohuensis †Pleurocardia – tentative report †Pleurocardia uniformis †Plicatolamna †Plicatolamna arcuata Plicatula †Plicatula mullicaensis †Postligata †Postligata crenata †Postligata wordeni †Pseudocorax †Pseudocorax granti †Pseudohypolophus †Pseudolimea †Pseudolimea kerri †Pseudolimea reticulata Pseudomalaxis †Pseudoschloenbachia †Pseudoschloenbachia chispaensis – or unidentified comparable form †Pteranodon – tentative report †Pteria †Pterocerella – or unidentified comparable form †Pterocerella poinsettiformis †Pterotrigonia †Pterotrigonia bartrami †Pterotrigonia eufaulensis †Pterotrigonia thoracia †Ptychotrygon †Ptychotrygon vermiculata Pycnodonte †Pycnodonte mutabilis †Pygurostoma †Pygurostoma geometricum †Pyrifusus †Pyrifusus sinuocostatus †Pyropsis †Pyropsis perlata

R

†Radiopecten †Radiopecten mississippiensis †Remera – tentative report Rhinobatos †Rhinobatos casieri †Rhombodus †Rhombodus laevis Ringicula †Ripleyella

S

†Sargana †Scambula †Scambula perplana †Scapanorhynchus †Scapanorhynchus texanus †Scaphites †Scaphites hippocrepis †Sclerorhynchus Serpula †Solenoceras †Solenoceras annulifer †Sourimis – or unidentified comparable form †Sourimis georgiana †Spiroxybeloceras †Spiroxybeloceras meekanum Spondylus Squalicorax †Squalicorax falcatus †Squalicorax kaupi †Squalicorax pristodontus Squatina †Squatina hassei †Stephanodus †Submortoniceras †Submortoniceras punctatum †Submortoniceras uddeni †Syncyclonema †Syncyclonema conradi †Syncyclonema simplicius †Synodontaspis †Synodontaspis holmdelensis

T

Tellina †Tenea Terebratulina †Terebratulina cooperi †Texanites †Tintorium – tentative report †Toxochelys Trachycardium †Trachycardium eufaulensis †Trachycardium longstreeti – tentative report †Trigonia Trionyx †Trionyx halophilus – type locality for species †Tundora – or unidentified comparable form †Tundora tuberculata Turritella †Turritella lorillardensis †Turritella macnairyensis †Turritella marshalltownensis †Turritella merchantvillensis †Turritella quadrilira †Turritella tippana †Turritella trilira †Turritella vertebroides †Tylosaurus Tympanotonos – or unidentified comparable form †Tympanotonos cretacea

U

†Unicardium – or unidentified comparable form †Unicardium umbonatum †Urceolabrum †Urceolabrum mantachieensis – tentative report

V

†Veniella †Veniella conradi †Vetericardiella †Vetericardiella subcircula †Volutomorpha

W

†Wadeopsamea – tentative report †Weeksia †Woodsella †Woodsella typica

X

Xenophora †Xiphactinus

References