WebPseudocardinal teeth thick and triangular; two in the left valve, one in the right, sometimes with a low, roughened tubercular tooth on either side. Lateral teeth short, nearly straight, heavy, and serrated. Beak cavity shallow or absent. Some females with a fold or groove on the inside. Nacre pearly white. Habitat: Medium to large rivers in ... WebThe oyster mussel is a small species (adults 50 - 70 mm) that exhibits pronounced sexual dimorphism (male and female shells differ in form). The periostracum is yellowish-green with numerous narrow green rays, and the nacre is bluish-white to creamy in color. Male shells are elliptical in shape; while, female shells have a swollen posterior end ...

Triangular Kidneyshell (Ptychobranchus greenii) Map U.S. Fish ...

http://encyclopedia.uia.org/en/problem/threatened-species-ptychobranchus-greenii tpot and tpitos

Triangular kidneyshell - Unionpedia, the concept map

WebThe triangular kidneyshell is a species of freshwater mussel, in the family Unionidae, the river mussels. It is endemic to Alabama in the United States, where it is known from several rivers and streams in the Mobile River Basin. It is a federally listed endangered species of the United States. This aquatic bivalve mollusc is somewhat oval in shape and may reach 10 … WebNov 18, 2015 · Although these mussels may not be the most charismatic species to look at, they make up for it with intriguing names like Alabama moccasinshell, dark pigtoe, orangenacre mucket, ovate clubshell, triangular kidneyshell, and upland combshell. WebThe triangular kidneyshell is federally listed as endangered. 21 Quadrula asperata Alabama Orb . Description: The Alabama orb’s shell is thick, usually covered with small bumps on the posterior end. The periostracum is brown to yellow in color. Their beaks are high, and extend well past their hinges. thermostat air conditioning car repair