Endemic Animals of Maryland

Armbruster's wolf (Canis armbrusteri ) is an extinct species that was endemic to North America and lived during the Irvingtonian stage of the Pleistocene epoch, spanning from 1.9 Mya—250,000 years BP. It is notable because it is proposed as the ancestor of one of the most famous prehistoric carnivores in North America, the dire wolf, which replaced it. Less

Sphaerodactylus poindexteri is a small species of gecko, a lizard in the family Sphaerodactylidae. The species is endemic to Útila, one of the Bay Islands of Honduras. Less

Nucula delphinodonta, or the dolphin-tooth nut shell clam, is a marine bivalve mollusc in the family Nuculidae. It can be found along the Atlantic coast of North America, ranging from Labrador to Maryland. Less

Sediliopsis patuxentia is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies. Less