Designed by Paul Smith 2006. This website is copyrighted by law.
Material contained herewith may not be used without the prior written permission of FAUNA Paraguay.
Photographs on this web-site were taken by Paul Smith and are used with the permission of Robert Owen and the Centro de Mastzoologia del Paraguay.
CRICETIDAE COMPARATIVE SKULL GALLERY
Many thanks to Robert Owen and the Centro de Mastozoologia del Paraguay for permission to photograph skull specimens held in the collection there.

Click on the images to enlarge them.
Mamore Arboreal Rice Rat Oecomys mamorae
DORSAL (FPMAM593PH); VENTRAL (FPMAM594PH); LATERAL (FPMAM595PH)
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Black-footed Pygmy Rice Rat Oligoryzomys nigripes
DORSAL (FPMAM597PH); VENTRAL (FPMAM598PH); LATERAL (FPMAM599PH)
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Fornes´s Rice Rat Oligoryzomys fornesi
DORSAL (FPMAM610PH); VENTRAL (FPMAM611PH); LATERAL (FPMAM612PH)
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Tuft-toed Rice Rat Sooretamys angouya
DORSAL (FPMAM615PH); VENTRAL (FPMAM616PH); LATERAL (FPMAM617PH)
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Maracaju Rice Rat Cerradomys maracajuensis
DORSAL (FPMAM618PH); VENTRAL (FPMAM619PH); LATERAL (FPMAM620PH)
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Ashy-nosed Rice Rat Cerradomys subflavus
DORSAL (FPMAM621PH); VENTRAL (FPMAM622PH); LATERAL (FPMAM623PH)
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Spiny Mouse Euryoryzomys nitidus
DORSAL (FPMAM624PH); VENTRAL (FPMAM625PH); LATERAL (FPMAM626PH)
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Large-headed Rice Rat Hylaeamys megacephalus
DORSAL (FPMAM630PH); VENTRAL (FPMAM631PH); LATERAL (FPMAM632PH)
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Neotropical Water Rat Nectomys squamipes
DORSAL (FPMAM637PH); VENTRAL (FPMAM638PH); LATERAL (FPMAM639PH)
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Brazilian False Rice Rat Pseudorysomys simplex
DORSAL (FPMAM640PH); VENTRAL (FPMAM641PH); LATERAL (FPMAM642PH)
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Chaco Marsh Rat Holochilus chacarius
DORSAL (FPMAM647PH); VENTRAL (FPMAM648PH); LATERAL (FPMAM649PH)
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
Pearson´s Chaco Mouse Andalgalomys pearsoni
DORSAL (FPMAM650PH); VENTRAL (FPMAM651PH); LATERAL (FPMAM652PH)
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Large Vesper Mouse Calomys callosus
DORSAL (FPMAM655PH); VENTRAL (FPMAM656PH); LATERAL (FPMAM657PH)
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

Small Vesper Mouse Calomys laucha
DORSAL (FPMAM660PH); VENTRAL (FPMAM661PH);
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

LATERAL

LATERAL

Drylands Vesper Mouse Calomys musculinus
DORSAL (FPMAM663PH); LATERAL (FPMAM664PH);
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Tropical Vesper Mouse Calomys tener
DORSAL (FPMAM665PH); VENTRAL (FPMAM666PH); LATERAL (FPMAM667PH);
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Chaco Leaf-eared Mouse Graomys chacoensis
DORSAL (FPMAM672PH); VENTRAL (FPMAM673PH); LATERAL (FPMAM674PH);
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Azara´s Akodon Akodon azarae
DORSAL (FPMAM675PH); VENTRAL (FPMAM676PH); LATERAL (FPMAM677PH);
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Monte Akodon Akodon montensis
DORSAL (FPMAM685PH); VENTRAL (FPMAM686PH); LATERAL (FPMAM687PH);
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Paraná Akodon Akodon paranaensis
DORSAL (FPMAM688PH); VENTRAL (FPMAM688PH); LATERAL (FPMAM690PH);
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Chaco Akodon Akodon toba
DORSAL (FPMAM693PH); VENTRAL (FPMAM694PH); LATERAL (FPMAM695PH);
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Blackish Grass Mouse Thaptomys nigrita
DORSAL (FPMAM701PH); VENTRAL (FPMAM702PH); LATERAL (FPMAM703PH);
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
Crimson-nosed Rat Bibimys chacoensis
DORSAL (FPMAM738PH); VENTRAL (FPMAM739PH); LATERAL (FPMAM740PH);
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Reddish Hocicudo Oyxmycterus misionalis
DORSAL (FPMAM734PH); VENTRAL (FPMAM735PH); LATERAL (FPMAM736PH);
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Dark Hocicudo Oyxmycterus delator
DORSAL (FPMAM731PH); VENTRAL (FPMAM732PH); LATERAL (FPMAM733PH);
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL

Hairy-tailed Bolo Mouse Necromys lasiurus
DORSAL (FPMAM718PH); VENTRAL (FPMAM719PH); LATERAL (FPMAM720PH);
Skulls courtesy of Centro de Mastozoologia del Paraguay, Asunción
DORSAL

DORSAL

VENTRAL

VENTRAL

LATERAL

LATERAL