page_title: List of the prehistoric life of Delaware
section_title: Selected Cenozoic taxa of Delaware
hierarchical_section_title: List of the prehistoric life of Delaware / Cenozoic / Selected Cenozoic taxa of Delaware
caption_attribution_description: Fiddler crab (Uca minax) from NOAA CSC. de:Bild:Fiddler crab.jpg
context_page_description: 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.
context_section_description: †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
caption: A living Uca pugnax, or Atlantic marsh fiddler crab
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