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The Eastern Pacific Parasmittina trispinosa complex (Bryozoa, Cheilostomatida): New and previously described species Soule, D.F.; Soule, J.D. (2002). The Eastern Pacific Parasmittina trispinosa complex (Bryozoa, Cheilostomatida): New and previously described species. Irene McCulloch Foundation Monograph Series, 5. University of Southern California. Hancock Institute for Marine Studies: Los Angeles. 40 pp. Deel van: Irene McCulloch Foundation Monograph Series. University of Southern California. Hancock Institute for Marine Studies: Los Angeles, Calif.. ISSN 1067-8174

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Beschikbaar in	Auteurs
VLIZ: Non-open access 370083 [ aanvragen ]

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Trefwoorden

Aquatic organisms > Marine organisms > Aquatic animals > Marine invertebrates Classification > Taxonomy Synopsis Taxa > Species > Cosmopolite species Taxa > Species > New taxa > New species Cheilostomatida [WoRMS]; Lyrula; Parasmittina trispinosa (Johnston, 1838) [WoRMS] Ecuador, Galapagos Is. [Marine Regions] Marien/Kust

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Auteurs		Top
Soule, D.F. Soule, J.D.

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Abstract

Parasmittina trispinosa having a wide range of variation have been reported in the past by many authors, making it supposedly cosmopolitan or nearly so, but P. trispinosa, sensu stricto, apparently does not occur in the cool or warm temperate northeastern or tropical eastern Pacific. The true species is probably restricted to Atlantic-boreal and perhaps Arctic distribution. A complex of unidentified and previously described species with large acute frontal avicularia occurs in the eastern Pacific from Puget Sound to the Galapagos Islands. All specimens examined have medium to large burred condyles, a medium to wide lyrula (median denticle) and numerous ovicell pores whereas P. trispinosa, sensu stricto, has small smooth condyles, a narrow to medium lyrula and few ovicell pores. Six new species from the northeastern Pacific complex and one new species from the western Caribbean are described. Nine previously described species, reported from Alaska to the Galapagos Islands, are re-examined.

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