Theses and Dissertations


Title: Acanthocephala of some Alabama fishes

Name: Williams, Jr Ernest Herbert

Degree: PhD

Chair: Dr. Wilmer A. Rogers

Resides: FAA Library

University: Auburn

Location: Auburn, Alabama

Date: 1974

Pages: 166

Keywords: Acanthocephala,Alabama.

Abstract:

Two hundred and fifty-two species of fish representing an excess of 5,000 specimens from over 300 localities in Alabama were examined for acanthocephalan parasites. Two new species, one of which represents a new family, and 12 previously described species of parasites were found. The first new species representing a new family resembles Echinorhynchidae in lacking trunk spination, hypodermal nuclei, ganglion, lemnisci, testes, and cement glands. It resembles the family Pomphorhynchidae by its neck length and in lacking spination, hypodermal nuclei, proboscis receptacle, testes, and lellmisci. It differs from echinorhynchids in proboscis shape, neck length, embryo form, lacunar system, and complexity of hooks. It differs from pomphorhynchids in proboscis shape, in having ganglion, shape and number of cement glands, complexity of hooks, and posterior hooks enlarged instead of uniformly armed proboscis. The second new species differs from others of the genus Acanthocephalus in size, number of rows, number of hooks per row, and hook size. The description of Eocollis arcanus is modified. Floridosentis elongatus, previosuly reported only in the southern Gulf of Mexico, is reported from the northern Gulf. Nineteen new host records are reported, all of which represent new locality records. The Acanthocephala of North American fishes is reviewed.Descriptions are provided for each genus. A key to general and host and locality records for each species are provided.

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