Taxonomy, phylogeny, and diversity of the extinct Lesser Antillean rice rats (Sigmodontinae: Oryzomyini), with description of a new genus and species Author Turvey, Samuel T. Author Weksler, Marcelo Author Morris, Elaine L. Author Nokkert, Mark text Zoological Journal of the Linnean Society 2010 2010-11-24 160 4 748 772 http://dx.doi.org/10.1111/j.1096-3642.2009.00628.x journal article 304141 10.1111/j.1096-3642.2009.00628.x b43fad24-ba95-4817-8274-f79154b7dd83 0024-4082 5754697

Table 1. Measurement data for Megalomys desmarestii, Megalomys luciae, and Oligoryzomys victus (mm)

Measurement	M. desmarestii	M. desmarestii	M. luciae	O. victus
	(NHM 50.11.30.5-6)	(NHM 55.12.24.201)	(NHM 53.12.16.2)	(NHM 97.12.26.1)
*The tail of NHM 53.12.16.2 is incomplete.
Greatest skull length	55.2	–	–	–
Condylo-incisive length	53.6	–	47.5	–
Breadth of occipital condyles	9.6	–	9.8	–
Length of diastema	17.8	16.9	15.6	7.8
Palatal bridge	14.0	12.8	13.0	6.2
Length of incisive foramen	9.4	8.3	7.8	5.4
Breadth of incisive foramen	3.3	3.1	2.7	2.1
Length of maxillary molars	8.2	9.4	7.7	4.5
Breadth of first maxillary molar	2.5	2.6	2.5	1.4
External alveolar breadth	10.7	10.5	10.4	5.6
Cranial height	15.7	14.6	13.7	9.3
Rostrum length	21.0	–	–	11.2
Rostrum breadth	11.4	10.6	9.0	6.1
Least interorbital breadth	9.1	9.7	9.4	5.1
Orbital length	17.4	17.5	15.6	11.0
Zygomatic breadth	30.6	–	26.9	16.7
Breadth of braincase	16.9	–	15.1	11.4
Breadth of zygomatic plate	7.8	6.1	6.1	3.9
Head–body length	257	312	261	94
Tail length	254	278	145*	121
Hindfoot length (with claw)	45	59	50	25
Length of internal side of ear	18	20	18	14