The Ecological Register: Marmosa demerarae

Marmosa demerarae (small mammal)

Variant names: Marmosa cinerea, Micoureus demerarae

Mass: 83.6 g based on Aragona and Marinho-Filho 2009, Richard-Hansen et al. 1999, Sanderson 1949, Delciellos and Viera 2007, and Julien-Laferrière 1991

Abundance: 0.42 to 32.92% (median 3.33%)

Latitudinal range: -16.2° to 10.1°

Habitats: tropical/subtropical dry broadleaf forest (5), tropical/subtropical moist broadleaf forest (4)

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Found in 9 samples

Bolivia: El Refugio Huanchaca Biological Station, Los Fierros Camp (LFF)

Brazil: Pinkaití Research Station (ground), Alta Floresta (Sherman traps), Fazenda Santa Fé, Fazenda Aparecida

French Guiana: Domaine Experimental Paracou (station 5), Trois-Sauts

Venezuela: Parque Nacional Guatopo

Size measurements:

♀ body mass	63.6 g	N = 168	Aragona and Marinho-Filho 2009
♀ body mass	100 g	N = 1	Richard-Hansen et al. 1999
♀ body mass	35 g	N = 1	Sanderson 1949
♂ body mass	95.1 g	N = 274	Aragona and Marinho-Filho 2009
body mass	152.1 g	N = 18	Delciellos and Viera 2007
body mass	140 g	N = 1	Julien-Laferrière 1991
♀ condylobasal length	44.5 mm	N = 1	Thomas 1920
♂ condylobasal length	39.3 mm	N = 1	Thomas 1920
♀ ear length	28.4 mm	N = 36	Aragona and Marinho-Filho 2009
♀ ear length	26 mm	N = 1	Richard-Hansen et al. 1999
♀ ear length	27 mm	N = 1	Thomas 1920
♂ ear length	30.6 mm	N = 78	Aragona and Marinho-Filho 2009
♂ ear length	27 mm	N = 1	Thomas 1920
♀ head and body length	150.8 mm	N = 35	Aragona and Marinho-Filho 2009
♀ head and body length	165 mm	N = 1	Richard-Hansen et al. 1999
♀ head and body length	166 mm	N = 1	Thomas 1905
♀ head and body length	166 mm	N = 1	Thomas 1920
♂ head and body length	166.1 mm	N = 76	Aragona and Marinho-Filho 2009
♂ head and body length	163 mm	N = 1	Tate 1931
♂ head and body length	202 mm	N = 1	Tate 1931
♂ head and body length	180 mm	N = 1	Tate 1931
♂ head and body length	135 mm	N = 1	Thomas 1920
♀ hind foot length	23.4 mm	N = 34	Aragona and Marinho-Filho 2009
♀ hind foot length	24 mm	N = 1	Richard-Hansen et al. 1999
♀ hind foot length	24 mm	N = 1	Thomas 1905
♀ hind foot length	24.5 mm	N = 1	Thomas 1920
♂ hind foot length	25.9 mm	N = 69	Aragona and Marinho-Filho 2009
♂ hind foot length	29 mm	N = 1	Tate 1931
♂ hind foot length	32 mm	N = 1	Tate 1931
♂ hind foot length	31 mm	N = 1	Tate 1931
♂ hind foot length	25 mm	N = 1	Thomas 1920
♀ skull length	41 mm	N = 1	Thomas 1905
♀ skull length	45 mm	N = 1	Thomas 1920
♂ skull length	40 mm	N = 1	Thomas 1920
♀ skull width	23.5 mm	N = 1	Thomas 1905
♀ skull width	25 mm	N = 1	Thomas 1920
♂ skull width	23.0 mm	N = 1	Tate 1931
♂ skull width	26.6 mm	N = 1	Tate 1931
♂ skull width	25.3 mm	N = 1	Tate 1931
♂ skull width	20 mm	N = 1	Thomas 1920
♀ tail length	201.8 mm	N = 35	Aragona and Marinho-Filho 2009
♀ tail length	275 mm	N = 1	Richard-Hansen et al. 1999
♀ tail length	250 mm	N = 1	Thomas 1905
♀ tail length	250 mm	N = 1	Thomas 1920
♂ tail length	223.8 mm	N = 78	Aragona and Marinho-Filho 2009
♂ tail length	239 mm	N = 1	Tate 1931
♂ tail length	264 mm	N = 1	Tate 1931
♂ tail length	240 mm	N = 1	Tate 1931
♂ tail length	225 mm	N = 1	Thomas 1920
♀ upper tooth row length	18.5 mm	N = 1	Thomas 1920
♂ upper tooth row length	16.5 mm	N = 1	Thomas 1920