List of the prehistoric life of Massachusetts

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

Precambrian
The Paleobiology Database records no known occurrences of Precambrian fossils in Massachusetts.

Paleozoic

 * Agraulos-ceticephalus-01.jpg †[[Agraulos]] – report made of unidentified related form or using admittedly obsolete nomenclature
 * †Agraulos quadrangularis
 * †Aldanella
 * †Aldanella attleborensis
 * †Allatheca – report made of unidentified related form or using admittedly obsolete nomenclature
 * †Allatheca degeeri – broadly construed
 * †Anabarites
 * †Anabarites korobovi
 * †Bemella
 * †Bemella bella
 * †Braintreella
 * †Braintreella rogersi
 * †Calodiscus
 * †Calodiscus lobatus
 * †Camenella
 * †Camenella baltica – tentative report
 * ChancelloriaEros-Detail NaturhistorischesMuseum Nov14-10.jpg †[[Chancelloria]]
 * †Coleoloides
 * †Coleoloides typicalis
 * †Condylopyge
 * †Conotheca
 * †Conotheca subcurvata
 * †Dawsonia
 * †Dawsonia dawsoni – or unidentified comparable form
 * †Dipharus
 * †Dipharus attleborensis
 * †Dromopus – tentative report
 * †Dromopus woodworthi – type locality for species
 * †Eccentrotheca
 * †Eccentrotheca kanesia
 * †Fomitchella
 * †Fomitchella infundabiliformis
 * †Gracilitheca
 * †Gracilitheca bayonet
 * Halkieria2.jpg †[[Halkieria]]
 * †Hyolithellus
 * †Hyolithellus micans – or unidentified related form
 * †Hyolithes
 * †Hyolithes tenuistriatus – broadly construed
 * †Kingaspis
 * †Kingaspis avalonensis
 * †Ladatheca – report made of unidentified related form or using admittedly obsolete nomenclature
 * †Ladatheca cylindrica
 * †Lapworthella
 * †Lapworthella laudvigseni
 * †Lapworthella ludvigseni
 * †Leptostega
 * †Leptostega abrupta
 * †Linguella
 * †Linguella viridis
 * †Mellopegma – tentative report
 * Microdictyon model.JPG †[[Microdictyon]]
 * †Obolella
 * †Obolella atlantica
 * †Obolus
 * †Obolus parvulus – tentative report
 * †Onchocephalites
 * †Onchocephalites permingeati
 * †Paradoxides
 * †Paradoxides harlani
 * †Pelagiella
 * †Plinthokonion
 * †Plinthokonion arethion
 * †Rhombocorniculum
 * †Rhombocorniculum cancellatum
 * †Scenella
 * †Scenella reticulata
 * †Serrodiscus
 * †Serrodiscus bellimarginatus
 * †Sokolovitheca
 * †Sokolovitheca sokolovi
 * †Stenotheca – report made of unidentified related form or using admittedly obsolete nomenclature
 * †Stenotheca acutacosta
 * †Sunnaginia
 * †Sunnaginia imbricata
 * Torellella toolsensis.jpg †[[Torellella]]
 * †Torellella laevigata
 * †Watsonella
 * †Watsonella crosbyi

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

A

 * †Acanthichnus
 * †Acanthichnus aguineus – type locality for species
 * †Acanthichnus alternans – type locality for species
 * †Acanthichnus cursorius
 * †Acanthichnus saltatorius
 * †Acanthichnus trilinearis
 * †Acteonella
 * †Aenigmichnus
 * †Aenigmichnus multiformis
 * †Amblonyx – type locality for genus
 * †Amblonyx giganteus – type locality for species
 * †Amblonyx lyellianus
 * †Amblypus – type locality for genus
 * †Amblypus dextratus – type locality for species
 * †Ammopus – type locality for genus
 * †Ammopus marshi – type locality for species
 * †Ampelichnus
 * †Ampelichnus sulcatus
 * †Anchisauripus
 * †Anchisauripus exsertus – type locality for species
 * †Anchisauripus hitchcocki – type locality for species
 * †Anchisauripus minusculum – type locality for species
 * †Anchisauripus minusculus
 * †Anchisauripus parallelus
 * †Anchisauripus sillimani
 * †Anchisauripus tuberosus – type locality for species
 * Anchisaurus NT.jpg †[[Anchisaurus]] – type locality for genus
 * †Anchisaurus polyzelus – type locality for species
 * †Ancyropus
 * †Ancyropus heteroclitus
 * †Anomoepus
 * †Anomoepus crassus
 * †Anomoepus cuneatus – type locality for species
 * †Anomoepus curvatus – type locality for species
 * †Anomoepus gracillimus – type locality for species
 * †Anomoepus intermedius – type locality for species
 * †Anomoepus isodactylus – type locality for species
 * †Anomoepus major – type locality for species
 * †Anomoepus minimus – type locality for species
 * †Anomoepus scambus – type locality for species
 * †Anticheiropus – type locality for genus
 * †Anticheiropus hamatus – type locality for species
 * †Anticheiropus pilulatus – type locality for species
 * †Antipus
 * †Antipus bifidus – type locality for species
 * †Apatichnus – type locality for genus
 * †Apatichnus circumagens – type locality for species
 * †Arachnichnus
 * †Arachnichnus dehiscens – type locality for species
 * †Argoides
 * †Argoides macrodactylus
 * †Argoides minimus – type locality for species
 * †Argoides redfieldianum – tentative report
 * †Argoides redfieldii – type locality for species

B

 * Batrachoides surinamensis.jpg †[[Batrachoides]]
 * †Batrachoides nidificans
 * †Batrachopus – type locality for genus
 * †Batrachopus bellus – type locality for species
 * †Batrachopus deweyi – type locality for species
 * †Batrachopus dispar – type locality for species
 * †Batrachopus gracilis – type locality for species
 * †Batrachopus vuigaris
 * †Bifurculipes
 * †Bifurculipes curvatus
 * †Bifurculipes elachistotatus
 * †Bifurculipes laqueatus
 * †Bifurculipes scolopendroideus
 * †Bisulcus
 * †Bisulcus undulatus – type locality for species
 * †Brontozoum
 * †Brontozoum approximatum
 * †Brontozoum divaricatum – type locality for species
 * †Brontozoum giganteum – type locality for species
 * †Brontozoum isodactylum
 * †Brontozoum parallelum – type locality for species
 * †Brontozoum sillimanium
 * †Brontozoum tuberatum – type locality for species

C

 * †Chalthropteris
 * †Clathropteris
 * †Climacodichnus
 * †Climacodichnus corrigatus – type locality for species
 * †Cochlichnus
 * †Cochlichnus anguineus
 * †Conopsoides
 * †Conopsoides curtus – type locality for species
 * †Conopsoides larvalis
 * †Copeza
 * †Copeza archimedea
 * †Copeza cruscularis
 * †Copeza propinquata
 * †Copeza punctata
 * †Copeza triremus
 * †Corvipes – type locality for genus
 * †Corvipes lacertoideus – type locality for species
 * †Cunichnoides – type locality for genus
 * †Cunichnoides marsupialoideus – type locality for species
 * †Cunicularius
 * †Cunicularius retrahens

E

 * Dinosaur State Park (Rocky Hill, CT) - close-up.JPG †[[Eubrontes]]
 * †Eubrontes divaricatus
 * †Eupalamopus – type locality for genus
 * †Eupalamopus dananus – type locality for species

G

 * †Gigandipus – type locality for genus
 * †Gigandipus caudatus – type locality for species
 * Grallator.jpg †[[Grallator]] – type locality for genus
 * †Grallator cuneatus – type locality for species
 * †Grallator cursorius – type locality for species
 * †Grallator formosus – type locality for species
 * †Grallator gracilis – type locality for species
 * †Grallator magnificus – type locality for species
 * †Grallator parallelus – type locality for species
 * †Grallator sillimaniium – tentative report
 * †Grallator tenuis – type locality for species
 * †Grammepus
 * †Grammepus erismatus
 * †Grammepus uniordinatus
 * †Grammichnus
 * †Grammichnus alpha

H

 * †Halysichnus
 * †Halysichnus laqueatus
 * †Harpagopus
 * †Harpagopus dubius
 * †Harpedactylus
 * †Harpedactylus crassus – type locality for species
 * †Harpedactylus gracilior – type locality for species
 * †Harpedactylus tenuissimus – type locality for species
 * †Harpepus
 * †Harpepus capillaris
 * †Helcura
 * †Helcura anguinea – type locality for species
 * †Helcura littoralis – type locality for species
 * †Helcura surgens – type locality for species
 * †Henrisporites
 * †Henrisporites angustus – type locality for species
 * †Herpystezoum
 * †Herpystezoum intermedius
 * †Herpystezoum marshi
 * †Herpystezoum minutus
 * †Hexapodichnus
 * †Hexapodichnus horreus
 * †Hexapodichnus magnus
 * †Holcoptera
 * †Holcoptera giebeli
 * †Hoplichnus – type locality for genus
 * †Hoplichnus equus – type locality for species
 * †Hoplichnus quadrupedans – type locality for species
 * †Hyphepus – type locality for genus
 * †Hyphepus fieldi – type locality for species

I

 * †Isocampe – type locality for genus
 * †Isocampe strata – type locality for species

K

 * †Kayentapus
 * †Kayentapus minor – type locality for species

L

 * †Lagunculapes – type locality for genus
 * †Lagunculapes latus – type locality for species
 * †Lunula
 * †Lunula obscura

M

 * †Mormolucoides – type locality for genus
 * †Mormolucoides articulatus – type locality for species

O

 * †Ornithichnites – type locality for genus
 * †Ornithichnites giganteus – type locality for species
 * †Ornithoidichnites
 * †Ornithoidichnites cuneatus – type locality for species
 * †Ornithoidichnites giganteus
 * †Ornithoidichnites lyellii – type locality for species
 * †Ornithopus
 * †Ornithopus adamsanus – type locality for species
 * †Otouphepus
 * †Otouphepus minor – type locality for species
 * Otozoum tracks cropped.jpg of the Late Triassic-Middle Jurassic sauropodomorph dinosaur footprint ichnogenus Otozoum]] †Otozoum – type locality for genus
 * †Otozoum minus – type locality for species
 * †Otozoum moodii – type locality for species

P

 * †Palaephemera
 * †Palaephemera mediaeva
 * †Palamopus
 * †Palamopus divaricans
 * †Paxillitriletes
 * †Paxillitriletes dakotaensis
 * †Pityostrobus
 * †Pityostrobus kayei – type locality for species
 * †Platypterna
 * †Platypterna concamerata – type locality for species
 * †Platypterna deanii
 * †Platypterna digitigrada – type locality for species
 * †Platypterna gracillima – type locality for species
 * †Platypterna recta – type locality for species
 * †Platypterna varica – type locality for species
 * †Plectropterna
 * †Plectropterna gracilis – type locality for species
 * †Plectropterna lineans
 * †Plectropterna minitans
 * †Plesiornis – type locality for genus
 * †Plesiornis pilulatus – type locality for species
 * Podokesaurus holyokensis.jpg †[[Podokesaurus]] – type locality for genus
 * †Podokesaurus holyokensis – type locality for species
 * †Polemarchus – type locality for genus
 * †Polemarchus gigas – type locality for species
 * †Pseudoaraucaria
 * †Pseudoaraucaria arnoldii – type locality for species
 * †Pterichnus
 * †Pterichnus centipes
 * †Ptilichnus – type locality for genus
 * †Ptilichnus anomalus – type locality for species
 * †Ptilichnus hydrodromus – type locality for species
 * †Ptilichnus pectinatus – type locality for species
 * †Ptilichnus typographus – type locality for species

S

 * †Sagittarius
 * †Sagittarius alternans
 * †Saltator
 * †Saltator bipedatus – type locality for species
 * †Saltator caudatus – type locality for species
 * †Sauropus
 * †Sauropus barrattii – type locality for species
 * †Selenichnus
 * †Selenichnus breviusculus – type locality for species
 * †Selenichnus falcatus – type locality for species
 * †Sillimanius
 * †Sillimanius gracilior
 * †Sillimanius tetradactylus
 * Skolithos.jpg †[[Skolithos]]
 * †Sphaerapus
 * †Sphaerapus larvalis
 * †Sphaerapus magnus
 * †Stegomus
 * †Stegomus longipes – type locality for species
 * †Stenonyx
 * †Stenonyx lateralis – type locality for species
 * †Steropezoum
 * †Steropezoum elegantius
 * †Steropoides
 * †Steropoides divaricatus – type locality for species
 * †Steropoides diversus – type locality for species
 * †Steropoides elegans – type locality for species
 * †Steropoides infelix – type locality for species
 * †Steropoides ingens – type locality for species
 * †Steropoides loripes – type locality for species
 * †Steropoides uncus – type locality for species
 * †Stratipes – type locality for genus
 * †Stratipes latus – type locality for species

T

 * †Tarsodactylus – type locality for genus
 * †Tarsodactylus caudatus – type locality for species
 * †Tarsodactylus expansus – type locality for species
 * †Tarsoplectrus
 * †Tarsoplectrus angustus – type locality for species
 * †Toxichnus – type locality for genus
 * †Toxichnus inaequalis – type locality for species
 * †Triaenopus
 * †Triaenopus baileyanus
 * †Trihamus – type locality for genus
 * †Trihamus elegans – type locality for species
 * Trisulcus
 * †Trisulcus laqueatus
 * †Typopus – type locality for genus
 * †Typopus abnormis – type locality for species

X

 * †Xiphopeza – type locality for genus
 * †Xiphopeza triplex – type locality for species

Cenozoic
This list of the Cenozoic life of Massachusetts contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Massachusetts and are between 66 million and 10,000 years of age.

A

 * Aligena
 * †Aligena elevata
 * Anadara
 * Transverse Ark Clam (Anadara transversa) Top (16114650260).jpg †[[Anadara transversa]]
 * Angulus
 * †Angulus agilis
 * Anomia
 * †Anomia paucistriata
 * †Anomia simplexiformis
 * Astarte
 * †Astarte castanea
 * †Astarte crenata
 * †Astarte undata
 * Astyris
 * †Astyris lunata

B

 * LMazzuca Fin Whale.jpg [[Balaenoptera]]
 * †Balaenoptera sursiplana – tentative report
 * Balanus
 * †Balanus crenatus
 * Boonea
 * †Boonea impressa
 * Brachidontes
 * †Brachidontes vineyardensis
 * Buccinum
 * †Buccinum undatum

C

 * Callinectes
 * The Childrens Museum of Indianapolis - Atlantic blue crab.jpg †[[Callinectes sapidus]]
 * †Callophoca
 * †Callophoca obscura
 * Cardium
 * Caryocorbula
 * †Caryocorbula contracta
 * Cliona
 * †Cliona sulphurea
 * Colus
 * †Colus stimpsoni
 * Corymbites
 * †Corymbites aethiops
 * Crassostrea
 * †Crassostrea virginica
 * Crenella
 * †Crenella glandula
 * Crepidula
 * †Crepidula fornicata
 * †Crepidula plana
 * Cumingia
 * †Cumingia tellinoides
 * †Cuneocorbula
 * †Cuneocorbula whitfieldi
 * Cyclocardia
 * †Cyclocardia borealis
 * †Cyclocardia novangliae
 * Cymindis.humeralis.-.calwer.05.11.jpg [[Cymindis]]
 * †Cymindis extorpescens – type locality for species

D

 * Donacia.versicolorea.jpg [[Donacia]]
 * †Donacia elongatula – type locality for species

E

 * Ensis directus.jpg, or Atlantic jackknife clam]] Ensis''
 * †Ensis directus
 * Eontia
 * †Eontia ponderosa
 * Equus
 * Eupleura
 * †Eupleura caudata

G

 * Gemma
 * †Gemma gemma
 * Glycymerididae - Glycymeris inflata.JPG [[Glycymeris]]
 * †Glycymeris wrigleyi – or unidentified related form

H

 * Hemimactra
 * †Hemimactra solidissima

I

 * Ilyanassa
 * †Ilyanassa obsoleta
 * †Ilyanassa trivittata
 * Ischadium
 * [[File:Naturalis Biodiversity Center - ZMA.MOLL.412739 - Ischadium recurvum (Rafinesque, 1820) - Mytilidae - Mollusc shell cropped.jpg|thumb|upright=1.38|Shells of Ischadium recurvum, or hooked mussels]] †[[Ischadium recurvum]]

M

 * Macoma
 * †Macoma balthica
 * †Mammut
 * Mammut americanum Sergiodlarosa.jpg †[[Mammut americanum]]
 * †Mammuthus
 * Mercenaria
 * †Mercenaria campechiensis
 * †Mercenaria mercenaria
 * Mesodesma
 * †Mesodesma arctatum
 * Modiolus
 * †Modiolus hollicki
 * †Monotherium
 * †Monotherium aberratum
 * †Mya
 * †Mya arenaria
 * †Mya truncata
 * Mytilus
 * †Mytilus edulis

N

 * Atlantic Moon Snail 001.jpg [[Neverita]]
 * †Neverita duplicatus
 * Nucula
 * †Nucula potomacensis – or unidentified related form

O

 * Pacific walrus bull odobenus rosmarus.jpg, or walrus]] Odobenus''
 * Odostomia
 * †Odostomia crenulata
 * †Odostomia semicostata
 * Ostrea

P

 * Panomya
 * †Panomya norvegica
 * Panopeus
 * †Panopeus herbstii
 * Petricola
 * †Petricola pholadiformis
 * †Pinguinus
 * [[File:Great Auk (Pinguinis impennis) specimen, Kelvingrove, Glasgow - geograph.org.uk - 1108249 cropped.jpg|thumb|upright=0.5|Taxidermied specimen of Pinguinus impennis, or the great auk]] †[[Pinguinus impennis]]
 * Placopecten
 * †Placopecten magellanicus
 * †Prophoca – or unidentified comparable form
 * †Prophoca rousseaui

S

 * †Saxinis
 * †Saxinis regularis – type locality for species
 * Serpula
 * †Serpula dianthus
 * Squalodon BW.jpg †[[Squalodon]]
 * †Squalodon atlanticus

T

 * Tellina fabula.jpg [[Tellina]]
 * Terebra
 * †Terebra juvenicostata
 * Turbonilla
 * †Turbonilla interrupta
 * Turritella

U

 * Urosalpinx
 * Bill Franks Atlantic Oyster Drill.jpg sea snail, or oyster drill]] †Urosalpinx cinerea''