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HOME --> CLASS MAMMALIA  --> ORDER RODENTIA  --> SUBORDER MYOMORPHA  --> SUPERFAMILY Muroidea

FAMILY Nesomyidae

Author:Major, 1897.
Citation:Proc. Zool. Soc. Lond., 1897: 718.
Comments:

Although a Nesomyidae per se had been earlier recognized by Tullberg (1899), Weber (1904), and later Chaline et al. (1977), theirs was essentially a grouping of the indigenous Malagasy rodents as already identified by Major (1897; Chaline et al. also included the otomyines, a clade clearly allied with muridsósee those accounts). Although differing in contents, the family composition observed here owes its conceptual roots to Lavocat (1973, 1978), who identified a number of small but morphologically well-defined groups as relicts of a middle Tertiary (late Oligocene-early Miocene?) cricetodontine presence in Africa and expanded the definition of Nesomyidae to embrace their diverse descendants (also see Carleton and Musser, 1984:344). The results of DNA hybridization and mitochondrial and nuclear gene-sequence studies, although not wholly concordant, have supplied some empirical basis for Lavocatís view of Nesomyidae, associating Cricetomyinae, Dendromurinae, Mystromyinae, and Nesomyinae in a monophyletic lineage basal to other muroid taxa representing Cricetidae and Muridae (DuBois et al., 1996; Jansa et al., 1999; Michaux and Catzeflis, 2000; Michaux et al., 2001b).

Fossil representatives of Nesomyidae, as construed here, date from the early Miocene of Africa (see individual subfamily comments), with extinct taxa such as Notocricetodon and Protarsomys (Afrocricetodontinae sensu Lavocat, 1973, 1978) variously implicated in the origin of several of the living genera and-or subfamilies. The paleontological argument for such phyletic links remains sketchy and the hard evidence from critical middle Tertiary beds is scanty. Such Tertiary discoveries nonetheless continue to emerge from Africa and will help much to illuminate the validity of a family Nesomyidae upon their critical study. The alternative possibility obviously demands attention: do the subfamilies associated here form a polyphyletic wastebasket for the remnants of early evolutionary branches within other major radiations of Muroidea, by implication Cricetidae or Muridae? This is the considered view of Tong and Jaeger (1993:56) regarding Lavocatís expansive concept of Nesomyidae. Mustering evidence to tease apart these hypotheses will require denser taxonomic sampling in molecular studies and broader appeal to organ systems other than the dentition in morphological investigations.

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Offspring:

SUBFAMILY Cricetomyinae

GENUS Beamys

SPECIES hindei

SPECIES major

GENUS Cricetomys

SPECIES ansorgei

SPECIES emini

SPECIES gambianus

SPECIES kivuensis

GENUS Saccostomus

SPECIES campestris

SPECIES mearnsi

SUBFAMILY Delanymyinae

GENUS Delanymys

SPECIES brooksi

SUBFAMILY Dendromurinae

GENUS Dendromus

SPECIES insignis

SPECIES kahuziensis

SPECIES leucostomus

SPECIES lovati

SPECIES melanotis

SPECIES mesomelas

SPECIES messorius

SPECIES mystacalis

SPECIES nyasae

SPECIES nyikae

SPECIES oreas

SPECIES vernayi

GENUS Dendroprionomys

SPECIES rousseloti

GENUS Malacothrix

SPECIES typica

GENUS Megadendromus

SPECIES nikolausi

GENUS Prionomys

SPECIES batesi

GENUS Steatomys

SPECIES bocagei

SPECIES caurinus

SPECIES cuppedius

SPECIES jacksoni

SPECIES krebsii

SPECIES opimus

SPECIES parvus

SPECIES pratensis

SUBFAMILY Mystromyinae

GENUS Mystromys

SPECIES albicaudatus

SUBFAMILY Nesomyinae

GENUS Brachytarsomys

SPECIES albicauda

SPECIES villosa

GENUS Brachyuromys

SPECIES betsileoensis

SPECIES ramirohitra

GENUS Eliurus

SPECIES antsingy

SPECIES ellermani

SPECIES grandidieri

SPECIES majori

SPECIES minor

SPECIES myoxinus

SPECIES penicillatus

SPECIES petteri

SPECIES tanala

SPECIES webbi

GENUS Gymnuromys

SPECIES roberti

GENUS Hypogeomys

SPECIES antimena

GENUS Macrotarsomys

SPECIES bastardi

SPECIES ingens

GENUS Monticolomys

SPECIES koopmani

GENUS Nesomys

SPECIES audeberti

SPECIES lambertoni

SPECIES rufus

GENUS Voalavo

SPECIES gymnocaudus

SUBFAMILY Petromyscinae

GENUS Petromyscus

SPECIES barbouri

SPECIES collinus

SPECIES monticularis

SPECIES shortridgei

Synonyms:


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