List of the prehistoric life of Delaware

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This list of the prehistoric life of Delaware contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Delaware.

The Paleobiology Database records no known occurrences of Precambrian or Paleozoic fossils in Delaware.

• †Acteon
• †Aenona – tentative report
• †Agerostrea
• †Ampullina
• †Anaklinoceras
• †Anomia
• †Anomoeodus

• 

  †Apsopelix
  • †Apsopelix anglicus
• †Arca
• Architectonica – or unidentified comparable form
• Arrhoges
• Astarte – tentative report
• †Avellana
• †Baculites
  • †Baculites haresi
  • †Baculites ovatus
• Barbatia

• 

  †Belemnitella
  • †Belemnitella americana
• Bernaya
• †Bonnerichthys
• †Bulla
• Cadulus
• Caestocorbula
  • †Caestocorbula crassiplica
• †Calliomphalus
  • †Calliomphalus americanus – tentative report
  • †Calliomphalus nudus
• Capulus
• †Caveola
• Cerithium
• Clavagella

• 

  †Clidastes – or unidentified comparable form
• Cliona
• †Coelosaurus
  • †Coelosaurus antiquus
• Corbula
• †Crenella
  • †Crenella serica
• †Cretolamna
  • †Cretolamna appendiculata
• Cucullaea
• Cuspidaria
  • †Cuspidaria grandis
• Cylichna
• †Cymella
• †Dentalium
• †Didymoceras
  • †Didymoceras binodosum
  • †Didymoceras cheyennense
  • †Didymoceras platycostatum
  • †Didymoceras stevensoni

• 

  †Dryptosaurus
• †Ecphora – tentative report
• Emarginula
• †Enchodus
• †Euspira
• †Eutrephoceras
• †Exiteloceras
• †Exogyra
  • †Exogyra cancellata
  • †Exogyra costata
  • †Exogyra ponderosa
• Gastrochaena
• †Gegania
• Ginglymostoma

• 

  †Globidens
  • †Globidens alabamensis
• Glossus
• Glycymeris
• †Halisaurus
  • †Halisaurus platyspondylus
• †Hamulus
• Haustator – or unidentified comparable form
• †Hoploscaphites
• †Hybodus
• †Inoceramus
• †Ischyodus
  • †Ischyodus bifurcatus
• †Ischyrhiza
  • †Ischyrhiza avonicola – or unidentified comparable form
  • †Ischyrhiza mira

• 

  †Jeletzkytes
• Lepisosteus – or unidentified comparable form
• Lima
• †Linearis
• †Lingula – tentative report
• †Lissodus
• Lithophaga
• Lopha
  • †Lopha falcata
• †Lucina
• Martesia
• †Mathilda
• †Menuites
• †Morea – or unidentified comparable form
• †Neithea
  • †Neithea quinquecostata
• Nucula
  • †Nucula percrassa

• 

  Odontaspis
• †Ornithomimus
• Ostrea
• †Pachydiscus
• †Pachymelania
• Panopea
• †Paralbula
• † Paranomia
• Patella
• †Pecten
• Pholadomya
  • †Pholadomya occidentalis
• Pholas – tentative report
• †Pinna
• †Placenticeras
• Plicatula
• †Pseudocorax

• 

  †Pteranodon – tentative report
• †Pteria
• †Pterotrigonia
  • †Pterotrigonia eufaulensis
• †Ptychotrygon
• Pycnodonte
  • †Pycnodonte mutabilis
• Rhinobatos
• †Rhombodus
• Ringicula
• †Sargana
• †Scapanorhynchus
  • †Scapanorhynchus texanus
• †Scaphites
  • †Scaphites hippocrepis
• †Sclerorhynchus
• Serpula
• Spondylus

• 

  Squalicorax
  • †Squalicorax falcatus
  • †Squalicorax kaupi
  • †Squalicorax pristodontus
• Squatina
• †Stephanodus
• Tellina
• †Tenea
• †Toxochelys
• Trachycardium
  • †Trachycardium eufaulensis
• †Trigonia
• Trionyx
• Turritella
  • †Turritella tippana
  • †Turritella trilira
  • †Turritella vertebroides

• 

  †Tylosaurus
• Tympanotonos – or unidentified comparable form
• Xenophora
• †Xiphactinus

• 

  †Amphicyon
• Anadara
  • †Anadara ovalis
• †Anchitheriomys
• †Anchitherium
• Anomia
  • †Anomia simplex
• †Archaeohippus
• Argopecten
  • †Argopecten irradians

• 

  Astarte
• Astyris
• Barnea
• Busycon
  • †Busycon perversum
• Busycotypus
  • †Busycotypus canaliculatus
• Cadulus
• Caecum
• Calliostoma
• Calyptraea
  • †Calyptraea centralis
• Cancellaria
• Carcharhinus
  • †Carcharhinus brachyurus
  • †Carcharhinus limbatus
  • †Carcharhinus perezii
• Carcharodon

  • 

    †Carcharodon hastalis
• Carditamera
• Cerastoderma – report made of unidentified related form or using admittedly obsolete nomenclature
• †Chesapecten
• †Chrysodomus
• Clementia
• Corbula
• Crassostrea
  • †Crassostrea virginica
• Crepidula
  • †Crepidula fornicata
  • †Crepidula plana
• Crocodylus
• Crucibulum
• Cyclocardia
• Cymatosyrinx
• Cymia

• 

  †Cynelos
• Diastoma
• Dinocardium
• Diodora
• Donax
• Dosinia
• †Ecphora
• Ensis
  • †Ensis directus
• Epitonium
• Euspira
  • †Euspira heros
• Ficus

• 

  Galeocerdo
  • †Galeocerdo aduncus
  • †Galeocerdo contortus
• Gavia
• Gemma
  • †Gemma gemma
• Geochelone
• Geukensia
  • †Geukensia demissa
• Glossus
• Glycymeris
• Hemipristis

  • 

    †Hemipristis serra
• Ilyanassa
  • †Ilyanassa obsoleta
  • †Ilyanassa trivittata
• †Inodrillia
  • †Inodrillia whitfieldi
• Iphigenia
• Isognomon
• Isurus
  • †Isurus oxyrinchus
• Kinosternon
• †Leptophoca
  • †Leptophoca lenis
• Leucosyrinx
• Littorina

• 

  Lunatia
• Macoma
  • †Macoma balthica
• Macrocallista
• Mactra – report made of unidentified related form or using admittedly obsolete nomenclature
• Martesia
• Melanella
• Mercenaria
  • †Mercenaria mercenaria
• †Metatomarctus
• Metula

• 

  Modiolus
• †Monosaulax
• Morus
• Mulinia
  • †Mulinia lateralis
• Murexiella
• †Mya
  • †Mya arenaria
• Mytilopsis
• Mytilus
  • †Mytilus edulis
• Nassarius
  • †Nassarius vibex
• Neverita
• Notorynchus
• Nucula
• Oliva
• Ophisaurus
• Panopea
• †Paracynarctus
• †Parahippus
  • †Parahippus leonensis
• Pecten
• Petricola
  • †Petricola pholadiformis
• †Phocageneus
• Pholas
• Polystira
• †Ptychosalpinx
• Rhincodon
• Scaphella

• 

  †Schizodelphis
• Seila
  • †Seila adamsii
• Semele
• Serpulorbis
• Sinum
• Siphonalia

• 

  †Squalodon
  • †Squalodon calvertensis
• Squalus
• Squatina
• Stewartia
• Tagelus
• Tegula
• Teinostoma
• Terebra
• Trigonostoma
• Trochita
• Turritella
• †Tylocephalonyx – or unidentified comparable form
• Typhis
• Uca

  • 

    †Uca pugnax
• Urosalpinx
• Yoldia

• Geology of Delaware

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.