PLATE 53
Lectotype of Trionyx muticus Lesueur, Museum d'Histoire Naturelle, Paris, No. 8813 (× 1/2); obtained by C. A. Lesueur from the Wabash River, New Harmony, Posey County, Indiana. Top—Dorsal view. Bottom—Ventral view.
PLATE 54
Skull of holotype of Platypeltis agassizi Baur (= T. s. asper), MCZ 37172 (× 1), Savannah River, Georgia. Top—Dorsal view. Bottom—Ventral view.
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UNIVERSITY OF KANSAS PUBLICATIONS
MUSEUM OF NATURAL HISTORY