Page 202 - The Freshwater Mussels of Oklahoma

Table 39. Summary of U. tetralasmus shell characters.

Mean H/L Max. Mean W/L
H/L Range Length W/L Range
Location N (%) (%) (mm) (%) (%) Remarks
Arkansas River System
Northeastern Oklahoma 12 53.1 49.3-55.6 85 30.9 29.0-33.3
(various localities)
Latimer County 4 50.7 49.0-54.4 102 33.4 32.1-34.7
(Poteau River dr.)
Alfalfa County 3 49.6 47.8-51.1 113 32.2 30.7-33.6
(Arkansas R. trib.)
Cimarron River drainage 3 52.9 51.9-53.8 91 - -
North Canadian River dr. 2 51.8 51.3-52.3 88 - 33.0
South Canadian River dr. 4 49.3 48.3-50.7 87 31.6 30.9-32.2
Red River System
Upper Red River trib. 11 50.4 47.6-53.1 107 32.2 30.0-33.6
Washita River dr. 46 52.1 47.7-57.9 130 31.6 29.7-34.4
Blue River dr. 4 51.4 50.5-52.8 103 31.1 29.2-32.5
Mud Creek 1 - 47.0 117 - 31.4
(McCurtain Co.)
McKinney Creek 1 - 49.0 102 - 31.4 may be
(McCurtain Co.) U. declivis

General Distribution:
Mississippi River drainage and western Gulf of Mexico tributaries to southern
Texas.
Oklahoma Distribution:
Found in ponds and sluggish streams throughout most of the main body of the
state.

Map 44. Distribution of U. tetralasmus in Oklahoma.

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