GIANT FLOATER Pyganodon grandis
Syn: Anodonta grandis
3.75". Trinity River @ Rt3278, just below Lake Livingston Dam. Polk County. No. 87.
4". Pond at junction of I10 and Hwy 90 just west of Brookshire, Waller County. No. 10.
5.75". Bessie's Bayou @ Wilpitz Rd. SW of Pattison. Waller County. No 142.
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