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Title: Cymbasoma tumorifrons (Copepoda: Monstrilloida): An Expanded Description Based on a New Collection from the Eastern Tropical Pacific 
Author: Suarez-Morales, E.; Alvarez-Silva, C.
Date: 2001-04
Publisher: University of Hawai'i Press
Citation: Suarez-Morales E, Alvarez-Silva c, 2001. Cymbasoma tumorifrons (Copepoda: Monstrilloida): an expanded description based on a new collection from the eastern tropical Pacific. Pac Sci 55(2): 183-189.
Abstract: A female of the monstrilloid copepod species Cymbasoma tumorifrons
(Isaac, 1975), previously known only from the Aegean Sea, was recorded in a bay
of the Mexican tropical Pacific. The female of this rare species has not been
recorded since its description more than 25 yr ago. To complement the brief
original description, an expanded description and illustrations of this species are
presented here based mainly on the Mexican specimen but considering also type
material. Standards recently set for description of monstrilloid copepods were
followed. Several characters such as chaetotaxy of legs 1-4, details of the antennular
armature, cuticular ornamentation, and the fifth legs were overlooked
in the original diagnosis and are described and analyzed here. This record supports
an important range extension of the known distribution of this species
from the Mediterranean Sea to the Mexican Pacific. It represents only the
fourth record of a Cymbasoma species in the eastern Pacific.
ISSN: 0030-8870

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