Redescription of Pennella instructa Wilson, 1917 (Copepoda: Pennellidae) from the swordfish ( Xiphias gladius L.)

Two specimens of Pennella instructa Wilson, 1917 are described from swordfish (Xiphias gladius L.) collected off Georges Bank in the northwest Atlantic Ocean. This mesoparasitic copepod is characterized by two lateral horn holdfasts extending posteriorly parallel to the neck, distinct groups of papi...

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Bibliographic Details
Published in:Canadian Journal of Zoology
Main Author: Hogans, W. E.
Format: Article in Journal/Newspaper
Language:English
Published: Canadian Science Publishing 1986
Subjects:
Online Access:http://dx.doi.org/10.1139/z86-107
http://www.nrcresearchpress.com/doi/pdf/10.1139/z86-107
Description
Summary:Two specimens of Pennella instructa Wilson, 1917 are described from swordfish (Xiphias gladius L.) collected off Georges Bank in the northwest Atlantic Ocean. This mesoparasitic copepod is characterized by two lateral horn holdfasts extending posteriorly parallel to the neck, distinct groups of papillae on the anterior end of the cephalothorax, and five-segmented and setose first antennae.