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Description of Santelmoa elvirae sp. nov. (Teleostei: Zoarcidae) from the Southern Ocean

Published online by Cambridge University Press:  01 February 2011

Jesús Matallanas*
Affiliation:
Grupo de Biodiversidad Animal, Unidad de Zoología (Facultad de Biociencias), Universidad Autónoma de Barcelona, E-08193, Bellaterra, Barcelona, Spain
*
Correspondence should be addressed to: J. Matallanas, Grupo de Biodiversidad Animal, Unidad de Zoología (Facultad de Biociencias), Universidad Autónoma de Barcelona, E-08193, Bellaterra, Barcelona, Spain email: Jesus.Matallanas@uab.es

Abstract

Santelmoa is diagnosed by the following characters: anterior portion of frontals fused; scapular foramen open; anterior ceratohyal–posterior ceratohyal (=epihyal) articulation interdigitating; cranium narrowed; supratemporal commissure and occipital pores absent; intercalar reaching the prootic; ascending rami of the parasphenoid wing high; palatal arch well developed; posterior hyomandibular ramus short; post-temporal ventral ramus well developed; six branchiostegal rays; vertebrae asymmetrical; pelvic fin rays ensheathed; scales, lateral line, pyloric caeca, palatine and vomerine teeth present. A new species of Santelmoa, Santelmoa elvirae sp. nov., is described on the basis of four specimens collected from the Bellingshausen Sea, Southern Ocean, at a depth of 1837 m. The new species can be distinguished from Santelmoa carmenae, the type species of the genus and the sole known Santelmoa species, by the following characters: mouth inferior; vertical folds on posterior end of the upper lip and on the lower lip lobe; oral valve nearly reaching the anterior edge of vomer; two posterior nasal pores; lateral line double with ventral and medio-lateral branches; single row of palatine teeth; dorsal fin rays 108–111; anal fin rays 93–94; pectoral fin rays 18–19 and vertebrae asymmetrical, 26–27 + 90–93 = 116–119.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 2011

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References

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