NARMS source details

Tovar-Hernández, M.A.; Salazar-Vallejo, S.I. (2008). Caruncle in Megalomma Johansson, 1925 (Polychaeta: Sabellidae) and the description of a new species from the Eastern Tropical Pacific. Journal of Natural History. 42(29): 1951-1973.
141936
10.1080/00222930802140186 [view]
Tovar-Hernández, M.A.; Salazar-Vallejo, S.I
2008
Caruncle in <i>Megalomma</i> Johansson, 1925 (Polychaeta: Sabellidae) and the description of a new species from the Eastern Tropical Pacific
Journal of Natural History
42(29): 1951-1973
Publication
World Polychaeta Database (WPolyDb)
The presence of a caruncle in the polychaete family Sabellidae is documented. It is placed dorsally above the mouth, between the dorsal lips, supported with hyaline cartilage constituted by a homogeneous eosinophilic matrix and it is innervated directly from the cerebral ganglion. The caruncle surface has four longitudinal ciliated bands; the cilia from the lateral bands are hypertrophied, wider distally, tongue-like, forming a ciliated curtain or membranella. The genus Megalomma is emended based on the presence of a caruncle, a long dorsalmost radiolar pair, a high number of radiolar skeletal cells, and the presence of interramal eyespots. We describe a new species from Acapulco in the Tropical Eastern Pacific – Megalomma carunculata sp. nov. It has a caruncle, subtriangular ventral lappets, well developed dorsal pockets, compound eyes in all radioles, and interramal eyespots in the thoracic and abdominal segments.
Eastern Pacific warm temperate to tropical
Morphology
Systematics, Taxonomy
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2013-01-12 18:30:12Z
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