title: Megalonaias nervosa, Specimen #1645 creator: Hammontree, Sarah creator: Pulliam, Lauren creator: Perry, Heather creator: Mabe, Jeffery contributor: Elm Fork Natural Heritage Museum contributor: Rafinesque date: 2011-06-10 language: No Language description: One preserved mussel specimen including the left valve only. The specimen exhibits a rhomboidal shape; thick shell; double looped beak sculpturing; white internal coloring; black external coloring; external sculpturing in the form of ridges. Collected in the Guadalupe basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected. subject: Freshwater mussels -- Texas. subject: Zoological specimens -- Texas. subject: shells subject: Megalonaias nervosa subject: washboard subject: San Antonio River subject: Guadalupe basin coverage: United States - Texas - Goliad County type: Specimen format: One mussel shell (1 valve) : white and black ; 120 mm format: Image identifier: local-cont-no: Catalog Number: 00001645 identifier: http://digital.library.unt.edu/ark:/67531/metadc38925/ identifier: ark: ark:/67531/metadc38925