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Pyrgulopsis Erythropoma
The Ash Meadows pebblesnail (''Pyrgulopsis erythropoma'') is a species of freshwater snail with a gill and an operculum (gastropod), operculum, aquatic animal, aquatic gastropod mollusk in the family Hydrobiidae. This species is Endemism, endemic to the Point of Rocks spring complex, Ash Meadows National Wildlife Refuge, Ash Meadows, Nevada, United States. Its natural habitat is Spring (hydrology), springs. It is threatened by habitat loss. The common name of this species is taken from the name of the Ash Meadows National Wildlife Refuge in Nevada. Description ''Pyrgulopsis erythropoma'' is a small snail that has a height of and globose-turbinate, shell. Its differentiated from other ''Pyrgulopsis'' in that its penial filament has an absent lobe and elongate filament with the penial ornament consisting of a large, superficial ventral gland. It is distinguished from closely similar ''Median-gland Nevada springsnail, P. pisteri'' by its more globose shell, blade-like penis, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Henry Augustus Pilsbry
Henry Augustus Pilsbry (7 December 1862 – 26 October 1957) was an American biologist, malacologist and carcinologist, among other areas of study. He was a dominant presence in many fields of invertebrate taxonomy for the better part of a century. For much of his career, his authority with respect to the classification of certain substantial groups of organisms was unchallenged: barnacles, chitons, North American terrestrial molluscs, terrestrial mollusks, and others. Biography Pilsbry (frequently misspelled ''Pilsbury'') spent his childhood and youth in Iowa. He was called "Harry" Pilsbry then, and developed an early fascination with the limited variety of mollusks he was able to find. He attended the University of Iowa, and received the Bachelor of Science degree there in 1882, but did not immediately find employment in his field of interest. Instead, Henry Pilsbry worked for publishing firms and newspapers for the next several years, but devoted most of his spare time to the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
