Work

A monograph of the fresh-water univalve mollusca of the United States

Year: 1870

Type: book

Abstract: Rostrum bi-lobed in front, tentacles long and filiform, with eyes pedunculated at their outer bases.Mantle with an elongate siphon on the left side.Operculum annular.Shell generally globosely turbinate, spiral, large, aperture entire.Distribution tropical and sub-tropical.Family VivipaRIp&.Rostrum entire in front, tentacles short, stout, tapering, with eyes on tubercles at their outer bases.Mantle simple in front.Operculum annular, the nucleus sometimes spiral.Shell turbinate, spiral, of smaller size, aperture entire.Distribution universal.Family AMNICOLIDA.Tentacles elongated, with eyes at their outer bases.Operculum sub-spiral or concentric.Shell small, globular or elongated

Source: Biodiversity Heritage Library (Smithsonian Institution)

DOI: 10.5962/bhl.title.54506

Authors: George W. Tryon, Samuel Stehman Haldeman

Language: English

Topic: Aquatic Invertebrate Ecology and Behavior

Subfield: Ecology

Field: Environmental Science

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W2249244508

Cites:

Cited by: 6

Related to: 10