List of the Mesozoic life of Maryland
This list of the Mesozoic life of Maryland contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Maryland and are between 252.17 and 66 million years of age.
A
- Acirsa
- †Acirsa americana – or unidentified related form
- †Acirsa clathrata
- †Acirsa flexicostata
Life restoration of the Early Cretaceous theropod dinosaur Acrocanthosaurus - †Acteon
- †Acutostrea
- †Aenona
- †Agerostrea
Fossilized skeleton of the Late Cretaceous-Oligocene Alligator relative Allognathosuchus - †Allosaurus
- †Allosaurus medius – type locality for species
- †Ambigostrea
- Amuletum
- †Amuletum dumasensis
- †Amuletum fasciolatum – or unidentified comparable form
Assemblage of fossilized skeletons of the softshell turtle Amyda - †Anatimya
- †Ancilla
- †Anomalofusus
- †Anomia
- †Anomoeodus
- †Anteglossia
- †Aphrodina
- †Araloselachus
- †Arctostrea
- †Argillomys – type locality for genus
- †Argillomys marylandensis – type locality for species
- †Ariadnaesporites
- †Ariadnaesporites intermedius – type locality for species
- Arrhoges
- †Arundelconodon – type locality for genus
- †Arundelconodon hottoni – type locality for species
- †Arundelemys – type locality for genus
- †Arundelemys dardeni – type locality for species
- Astarte
Life restoration of the Early Cretaceous sauropod dinosaur Astrodon - †Astrodon johnstoni– type locality for species
- †
B
Fossilized shell of the Late Cretaceous ammonoid cephalopod Baculites - †Baculites baculus
- †Baculites elisasi
- †Baculites vertebralis
- †
- †Bathytormus
- †Bellifusus
- †Belliscala
- †Beretra
- †Beretra gracilis – or unidentified comparable form
- †Beretra ripleyana
- †Beretra speciosa
- †Bottosaurus
- †Bottosaurus harlani
- †
- Botula
- †Botula conchafodentis
- †Botula lingua
- †Botula ripleyana
- †
- †Buccinopsis
C
- Cadulus
- Caestocorbula
- †Caestocorbula crassaplica
- †Caestocorbula crassiplica
- †Caestocorbula percompressa
- †Caestocorbula terramaria
- †
- †Camptonectes
- Carcharias
- †Cardiaster
- Cardium
- †Caveola
- Ceratodus
- †Ceratodus kranzi – type locality for species
- Cerithium
- †Cerithium weeksi – or unidentified related form
- Chiloscyllium
- †Cimoliasaurus
- †Cimoliasaurus magnus
- †
- †Clavatipollenites
- †Clavipholas
- †Coelosaurus
- †Coelosaurus affinis
- Coelosaurus antiquus
- †
- †Coelurus
- †Coelurus gracilis– type locality for species
- †
- †Corax
- Corbula
- †Corymya – or unidentified comparable form
- †Couperites
- Crassatella
- †Crenella
- †Crenella elegantula
- †Crenella serica
- †
- †Creonella
- †Creonella subangulata – or unidentified comparable form
- †Creonella triplicata
- Cretolamna
- †Cretolamna appendiculata
- †Cretolamna serrata – or unidentified comparable form
- †
- Cucullaea
- †Cucullaea capax
- †
- †Cuna
- †Cuneolus
- Cuspidaria
- †Cuspidaria ampulla
- †
- †Cyclorisma
- Cylichna
- †Cylichna diversilirata
- †Cylichna incisa
- †
- †Cylindracanthus
- †Cymbophora
- †Cymella
- †Cyprimeria
D
- Dasyatis
Life restoration of the Early Cretaceous dromaeosaur ("raptor") Deinonychus - †Deinonychus antirrhopus
- †
- †Deinosuchus
- †Deinosuchus rugosus
- †
- †Dentalium
- †Dentalium leve
- †
- †Deussenia
- †Discoscaphites
- †Discoscaphites abyssinius
- †Discoscaphites conradi
- †Discoscaphites gulosus
- †Discoscaphites iris
- †Drilluta
E
- †Egertonia
- †Ellipsoscapha
- †Ellipsoscapha cylindrica
- †Ellipsoscapha mortoni
- †Ellipsoscapha occidentalis – or unidentified comparable form
Restoration of the Early Cretaceous-Eocene bony fish Enchodus, or the "saber-toothed herring" - †Enchodus dirus
- †Enchodus ferox
- †Enchodus feroz
- †
- †Endoptygma
- †Eoacteon
- †Etea
- †Eubaculites
- †Eufistulana
- †Eufistulina
- †Eulima
- †Eulima clara
- †Eulima monmouthensis
- †Euspira
- †Eutrephoceras
- †Eutrephoceras dekayi
- †
- †Ewingia
- †Ewingia problematica
- †
Interior of a fossilized shell of the Jurassic-Cretaceous foam oyster Exogyra - †Exogyra costata
- †
F
- †Flabellosmilia
- †Fulgerca
- †Fulgerca attenuata – or unidentified related form
- †Fusimilis
G
- Galeorhinus
- Ginglymostoma
- Glossus
- Glycimeris
- Glycymeris
- †Glycymeris rotundata
- †
- †Glyptops
- †Glyptops caelatus – type locality for species
- †Goniochasma
- †Goniopholis
- †Goniopholis affinis – type locality for species
Fossil negative with skin impressions of the theropod dinosaur footprint ichnogenus Grallator - †Granocardium
- †Graphidula
- †Gryphaeostrea
- Gyrodes
H
- †Hadrodus
Life restoration of the Late Cretaceous mosasaur Halisaurus - †Halisaurus platyspondylus
- †
- †Hamatia– type locality for genus
- †Hamatia elkneckensis – type locality for species
- †Hamulus
- †Hamulus falcatus
- †Hamulus huntensis – tentative report
- †Hamulus onyx
- †Hamulus squamosus
- †Hercorhynchus
- †Hercorhyncus
- Heterodontus
- †Heteromorpha
Fossil of the Jurassic-Paleogene lobster Hoploparia - †Hybodus
- †Hydrotribulus
- †Hyposaurus
- †Hyposaurus rogersii
- †
- †Hypotodus
- †Hypsiloichnus – type locality for genus
- †Hypsiloichnus marylandicus – type locality for species
I
Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size - †Ischyodus
- †Ischyrhiza
- †Ischyrhiza avonicola– or unidentified comparable form
- †Ischyrhiza mira
- †
J
- †Jeletzkytes
- †Jeletzkytes criptonodosus
- †Jeletzkytes nebrascensis
- Juliacorbula
L
- Laternula
- †Latiala
- †Latiala lobata – or unidentified comparable form
Shells in multiple views of Latiaxis coral sea snails - †Legumen
- Lepisosteus
- †Leptosolen
- Lima
- Limatula
- †Linearia
- †Linearis
- †Liopeplum
- †Liopistha
- Lithophaga
- †Longitubus
- †Longoconcha
Fossilized shell of the Triassic-modern marine bivalve Lopha - †Lopha falcata
- †Lopha mesenterica
- †
- †Lowenstamia
- †Loxsomopteris – type locality for genus
- †Loxsomopteris anasilla – type locality for species
- †Lupira
- †Lycettia
- †Lyriochlamys
M
- Malletia
- †Mathilda
- †Mathilda cedarensis – or unidentified comparable form
- †Mathilda corona
- †Mauldinia – type locality for genus
- †Mauldinia mirabilis – type locality for species
- †Menabites
- †Mesostoma
- †Micrabacia
- †Modiolus
- †Modiolus sedesclaris
- †Modiolus sedesclarus
- †Modiolus trigonus
- †
- †Morea
Life restoration of two of the Late Cretaceous Mosasaurus - †Mosasaurus conodon
- †Mosasaurus dekayi
- †Mosasaurus maximus
- †
- Myliobatis
- †Myobarbum
- †Myobarbum monmouthensis – tentative report
- Myrtea
- †Mytilus– tentative report
N
- †Napulus
Close-up portrait of a living Nebrius nurse shark - †Nemodon
- †Nonactaeonina
- †Nonactaeonina graphoides – or unidentified comparable form
- Nucula
- †Nucula camia
- †Nucula cuneifrons
- †Nucula percrassa
- †Nucula perequalis
- †Nucula severnensis
- †Nucula slackiana
- †
- Nuculana
- †Nymphalucina
O
A living Odontaspis sand shark - †Odontobasis
- †Odontobasis sulcata – or unidentified comparable form
- †Oligoptycha
- †Opertochasma
- †Osteopygis
P
- †Paladmete
- †Paleopsephaea
- Panopea
- †Paralbula
- †Parmicorbula
- †Pelletixia
- †Pelletixia amelguita – type locality for species
- †Periplomya
- †Peritresius
- †Perrisonota
- †Phelopteria
- Pholas
- †Pinna
Fossilized shell of the Late Cretaceous ammonoid cephalopod Placenticeras - †Platananthus
- †Platananthus potomacensis – type locality for species
- †Platanocarpus – type locality for genus
- †Platanocarpus elkneckensis – type locality for species
- †Platanocarpus marylandensis – type locality for species
- †Pleuriocardia
- †Pleurocoelus– type locality for genus
- †Pleurocoelus altus – type locality for species
- †Pleurocoelus nanus– type locality for species
- †Plicatoscyllium
- Polinices
- †Postligata
- †Praeleda
- †Priconodon – type locality for genus
- †Priconodon crassus– type locality for species
- †
Life restoration of the Late Cretaceous mosasaur Prognathodon preying upon an ammonoid cephalopod - †Prognathodon rapax
- †
- †Promathildia
- †Promathildia parvula – or unidentified comparable form
- †Propanoplosaurus – type locality for genus
- †Propanoplosaurus marylandicus– type locality for species
- †
- †Protocallianassa
- †Protocardia
- †Pseudohypolophus
- †Pseudolimea
- Pseudomalaxis
- †Pteria
- †Pterocerella
Fossilized shell of the Jurassic-Cretaceous marine bivalve Pterotrigonia - †Pterotrigonia eufalensis
- †Pterotrigonia eufaulensis
- †Pterotrigonia thoracica
- †
- †Ptychotrygon
- †Pugnellus
- Pycnodonte
- †Pycnodonte vesicularis
- †
- †Pyrifusus
- †Pyropsis
R
- Raja
- †Remera
- †Remera cretacea – or unidentified comparable form
- †Remera flexicostata
- †Remera juncea
- †Remnita
- †Remnita anomalocostata
- †Remnita biacuminata – or unidentified comparable form
- †Remnita hastata
- Rhinobatos
Restoration of the Late Cretaceous-Paleocene ray Rhombodus - †Rhombodus binkhorsti
- †
- †Rhombopsis
- Ringicula
- †Ringicula clarki
- †Ringicula pulchella
- †
- Rissoina
S
- †Sargana
- †Scambula
Fossilized shell of the Late Cretaceous ammonoid cephalopod Scaphites - †Scaphites hippocrepis
- †
- Serpula
- †Serratolamna
- †Serratolamna serrata
- †
- †Serrifusus – tentative report
- †Solariorbis
- †Solariorbis clara – or unidentified comparable form
- †Solyma
- †Sourimis
- †Sourimis georgiana – tentative report
- †Spanomera
- †Sphenodiscus
- †Sphenodiscus lobatus
- †Sphenodiscus pleurisepta
- †
Life restoration of the Late Cretaceous shark Squalicorax - †Squalicorax falcatus
- †Squalicorax kaupi
- †Squalicorax pristodontus
- †
- Squatina
- †Stantonella
- †Stephanodus
- Striarca
- †Striaticostatum
- †Striatopollis
- †Syncyclonema
T
- Tellina
- †Tellinimera
- †Tenea
Life restoration of the Early Cretaceous Iguanodon relative Tenontosaurus - †Tenuipteria
- †Thoracosaurus
- †Thoracosaurus neocesariensis
- †
- Trachycardium
- †Trachycardium eufaulensis
- †
- †Trachytriton
Fossilized shells of the Late Jurassic-modern tower snail Turritella - †Turritella bilira
- †Turritella hilgardi
- †Turritella paravertebroides
- †Turritella tippana
- †Turritella trilira
- †Turritella vertebroides
- †
U
V
W
X
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
