Trionyx spinifer guadalupensis, new subspecies, dorsal views. Top—Adult females; left, TU 16036.1 (× 1/5), Llano River, 2 mi. W Llano, Llano County, Texas; right, TU 10160 (× 1/5), Guadalupe River, 9 mi. SE Kerrville, Kerr County, Texas. Bottom—Left, female, CM 3118 (× 3/4), Black Bayou, Victoria County, Texas; right, male, TU 14419.6 (× 5/9), San Saba River, 11 mi. NNW San Saba, San Saba County, Texas.
PLATE 43
Trionyx spinifer emoryi, dorsal views. Top—Juveniles; left, UMMZ 69411 (× 3/4), Río Conchos, 9 mi. N Linares, Nuevo León, México; right, UMMZ 69412 (× 5/6), Río Purificación, north Ciudad Victoria, Tamaulipas, México. Bottom—Adult males; left, topotype, TU 11561 (× 1/3), Brownsville, Cameron County, Texas; right, KU 48217 (× 1/3), Black River Village, Eddy County, New Mexico.
PLATE 44
Trionyx spinifer emoryi, dorsal views. Top—Left, adult male, KU 51194 (× 2/7), Río Conchos, near Meoquí, Chihuahua, México; right, female, KU 3119 (× 4/9), Salt River, Phoenix, Maricopa County, Arizona. Bottom—Females; left, KU 3118 (× 1/5), locality same as KU 3119; right, TU 14453 (× 3/10), Pecos River, near junction with Independence Creek, Terrell County, Texas.