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Morphometric Study of the Skull of the Greater Cane Rat (Thryonomys swinderianus, Temmnick)


MA Olude
OA Mustapha
AC Sonubi
TE Falade
TK Ogunbunmi
AO Adebayo
AK Akinloye

Abstract

This study was designed to investigate some morphometric characteristics of the skull of the Greater cane rat (GCR) involving 30 morphometric parameters. A total of 10 adult GCR were used for this study comprising of both sexes (5 males and 5 females). Student t-test was used to analyze the values obtained and to determine differences between the sexes. Morphological features were found in the zygomatic bone which occurred as a large and thick bone on both ends. From 30 parameters analyzed, 12 were statistically significant (p≤ 0.05) between both sexes, confirming the presence of sexual dimorphism in the skull of this rodent. This study provided baseline research data on the typology of the skull of the GCR.

KEYWORDS: Greater cane rat, morphometry, skull, sexual dimorphism, craniometry.


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eISSN: 0331-3026