This list of the Cenozoic 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 66 million and 10,000 years of age.
A
†Ameiseophis
†Ameiseophis robinsoni
†Amphicyon
†Amphicyon longiramus
Anadara
†Anadara ovalis
†Anchitheriomys
†Anchitherium
Anomia
†Anomia simplex
†Araloselachus
†Araloselachus cuspidata
†Archaeohippus
†Archaeohippus blackbergi – or unidentified comparable form
Argopecten
†Argopecten irradians
Astarte
†Astarte distans
Astyris
†Astyris communis
B
†Barbouromeryx
†Barbouromeryx trigonocorneus
Barnea
†Barnea costata
Bicorbula
†Bicorbula idonea
Busycon
†Busycon perversum
†Busycotyphus
†Busycotyphus scalarispira
Busycotypus
†Busycotypus canaliculatus
C
Cadulus
†Cadulus conradi
Caecum
†Caecum calvertense
†Calamagras
Calliostoma
†Calliostoma eboreus
Calyptraea
†Calyptraea centralis
Cancellaria
†Cancellaria alternata
Carcharhinus
†Carcharhinus brachyurus
†Carcharhinus limbatus
†Carcharhinus perezii
Carcharodon
†Carcharodon hastalis
†Carcharodon subauriculatus
Carditamera
†Carditamera aculeata
†Carinorbis
†Carinorbis dalli
Caryocorbula
†Caryocorbula cuneata
†Caryocorbula subcontracta
Cerastoderma – report made of unidentified related form or using admittedly obsolete nomenclature †Cerastoderma calvertensium †Chesacardium †Chesacardium craticuloides †Chesapecten †Chesapecten coccymelus †Chesapecten sayanus †Chrysodomus †Chrysodomus patuxentensis Clementia †Clementia grayi Corbula †Corbula elevata Crassostrea †Crassostrea virginica Crepidula †Crepidula fornicata †Crepidula plana Crocodylus Crucibulum †Crucibulum costata Cyclocardia †Cyclocardia castrana Cymatosyrinx †Cymatosyrinx limatula Cymia †Cymia woodii †Cynelos
D
†Dallarca
†Dallarca subrostrata
Diastoma
†Diastoma insulaemaris
Dinocardium
Diodora
†Diodora griscomi
Donax
†Donax idoneus
Dosinia
†Dosinia acetabulum
E
†Ecphora
†Ecphora tricostata
Ensis
†Ensis directus
Epitonium
†Epitonium charlestonensis
Euspira
†Euspira heros
F
Ficus
†Ficus harrisi
†Florimetis
†Florimetis biplicata
G
Galeocerdo
†Galeocerdo aduncus
†Galeocerdo contortus
Gavia
Gemma
†Gemma gemma
Geochelone
Geukensia
†Geukensia demissa
Glossus
Glycymeris
†Glycymeris parilis
H
†Harrymys
†Harrymys magnus
Hemimactra
†Hemimactra solidissima
Hemipristis
†Hemipristis serra
I
Ilyanassa
†Ilyanassa obsoleta
†Ilyanassa trivittata
†Inodrillia
†Inodrillia whitfieldi
Iphigenia
Isognomon
Isurus
†Isurus oxyrinchus
K
Kinosternon
L
†Leptomactra
†Leptomactra marylandica
†Leptophoca
†Leptophoca lenis
Leucosyrinx
†Leucosyrinx rugata
Lirophora
†Lirophora latilirata
Littorina
Lunatia
†Lunatia hemicrypta
M
Macoma
†Macoma balthica
Macrocallista
†Macrocallista marylandica
Mactra – report made of unidentified related form or using admittedly obsolete nomenclature †Mariacolpus †Mariacolpus plebeia †Marshochoerus †Marshochoerus socialis Martesia †Martesia ovalis †Marvacrassatella †Marvacrassatella melinus Melanella †Melanella eborea †Melanella migrans Mercenaria †Mercenaria ducatelli †Mercenaria mercenaria †Metatomarctus †Metatomarctus canavus – or unidentified comparable form Metula Modiolus †Modiolus ducatellii †Monosaulax Morus †Morus loxostylus – or unidentified comparable form Mulinia †Mulinia lateralis Murexiella †Murexiella cumberlandiana †Mya †Mya arenaria †Mya producta Mytiloconcha †Mytiloconcha incurva Mytilopsis †Mytilopsis ermiocenicus Mytilus †Mytilus edulis