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FAMILY Echimyidae

Author:Gray, 1825.
Citation:Ann. Philos., n.s., 10: 341.
Comments:This group is complex, and although several important revisions have occurred (Emmons and Vucetich, 1998; Emmons et al., 2002; Laura and Patton, 2000; Patton and Emmons, 1985), additional revisions are needed. The family includes the most primitive fossil New World hystricognaths from the Early Oligocene of Patagonia. Reig (1986) noted that some living taxa in this family with brachyodont and pentalophodont molars (Mesomys and Lonchothrix) are of the type expected in the ancestral New World Hystricognathi. The family is also the most diverse of all Hystricognathi. Patterson and Wood (1982) included Chaetomys in the Echimyidae (subfamily Chaetomyinae) based on retention of deciduous premolars but see Martin (1994b) for a persuasive argument for returning this taxon to the Erethizontidae. Molecular data (Lara et al., 1996; Leite and Patton, 2002) suggest that the remaining living subfamilies (Dactylomyinae, Echimyidae, Eumysopinae) cannot be defined by monophyly, because of what appears to be a very rapid initial radiation (Leite and Patton, 2002).
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Offspring:

SUBFAMILY Dactylomyinae

GENUS Dactylomys

SPECIES boliviensis

SPECIES dactylinus

SUBSPECIES dactylinus

SUBSPECIES canescens

SUBSPECIES modestus

SPECIES peruanus

GENUS Kannabateomys

SPECIES amblyonyx

SUBSPECIES amblyonyx

SUBSPECIES pallidior

GENUS Olallamys

SPECIES albicauda

SPECIES edax

SUBFAMILY Echimyinae

GENUS Callistomys

SPECIES pictus

GENUS Diplomys

SPECIES caniceps

SPECIES labilis

SPECIES rufodorsalis

GENUS Echimys

SPECIES chrysurus

SPECIES saturnus

SPECIES semivillosus

GENUS Isothrix

SPECIES bistriata

SUBSPECIES bistriata

SUBSPECIES orinoci

SPECIES negrensis

SPECIES pagurus

SPECIES sinnamariensis

GENUS Makalata

SPECIES didelphoides

SPECIES grandis

SPECIES macrura

SPECIES obscura

SPECIES occasius

SPECIES rhipidura

GENUS Phyllomys

SPECIES blainvillii

SPECIES brasiliensis

SPECIES dasythrix

SPECIES kerri

SPECIES lamarum

SPECIES lundi

SPECIES mantiqueirensis

SPECIES medius

SPECIES nigrispinus

SPECIES pattoni

SPECIES thomasi

SPECIES unicolor

SUBFAMILY Eumysopinae

GENUS Carterodon

SPECIES sulcidens

GENUS Clyomys

SPECIES bishopi

SPECIES laticeps

GENUS Euryzygomatomys

SPECIES spinosus

GENUS Hoplomys

SPECIES gymnurus

GENUS Lonchothrix

SPECIES emiliae

GENUS Mesomys

SPECIES hispidus

SPECIES leniceps

SPECIES occultus

SPECIES stimulax

GENUS Proechimys

SPECIES brevicauda

SPECIES canicollis

SPECIES chrysaeolus

SPECIES cuvieri

SPECIES decumanus

SPECIES echinothrix

SPECIES gardneri

SPECIES goeldii

SPECIES guairae

SPECIES guyannensis

SUBSPECIES guyannensis

SUBSPECIES arabupu

SUBSPECIES arescens

SUBSPECIES cherriei

SUBSPECIES riparum

SUBSPECIES vacillator

SPECIES hoplomyoides

SPECIES kulinae

SPECIES longicaudatus

SPECIES magdalenae

SPECIES mincae

SPECIES oconnelli

SPECIES pattoni

SPECIES poliopus

SPECIES quadruplicatus

SPECIES roberti

SPECIES semispinosus

SUBSPECIES semispinosus

SUBSPECIES burrus

SUBSPECIES calidior

SUBSPECIES centralis

SUBSPECIES colombianus

SUBSPECIES goldmani

SUBSPECIES ignotus

SUBSPECIES panamensis

SUBSPECIES rosa

SUBSPECIES rubellus

SPECIES simonsi

SPECIES steerei

SPECIES trinitatus

SPECIES urichi

GENUS Thrichomys

SPECIES apereoides

SUBSPECIES apereoides

SUBSPECIES laurenteus

SPECIES inermis

SPECIES pachyurus

GENUS Trinomys

SPECIES albispinus

SUBSPECIES albispinus

SUBSPECIES minor

SUBSPECIES serotinus

SPECIES dimidiatus

SPECIES eliasi

SPECIES gratiosus

SUBSPECIES gratiosus

SUBSPECIES bonafidei

SPECIES iheringi

SPECIES mirapitanga

SPECIES moojeni

SPECIES myosuros

SPECIES paratus

SPECIES setosus

SUBSPECIES setosus

SUBSPECIES denigratus

SUBSPECIES elegans

SPECIES yonenagae

SUBFAMILY Heteropsomyinae

GENUS Boromys

SPECIES offella

SPECIES torrei

GENUS Brotomys

SPECIES contractus

SPECIES voratus

GENUS Heteropsomys

SPECIES antillensis

SPECIES insulans

Synonyms:


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