New light into the hormogastrid riddle: morphological and molecular description of Hormogaster joseantonioi sp. n. (Annelida, Clitellata, Hormogastridae)

Fernández Marchán, Daniel, Fernández, Rosa, Novo, Marta and Diaz Cosin, Dario 2014. New light into the hormogastrid riddle: morphological and molecular description of Hormogaster joseantonioi sp. n. (Annelida, Clitellata, Hormogastridae). ZooKeys 414 , pp. 1-17. 10.3897/zookeys.414.7665

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Abstract

The earthworm family Hormogastridae shows a remarkable disjunction in its distribution in the Iberian Peninsula, with the Hormogaster elisae species complex isolated from the rest of the species. Hormogaster joseantonioi sp. n., a new species found in the intermediate area between the main ranges (in Teruel, Aragón), was described following the integrative approach, as it is suitable for earthworms due to their highly homoplasic morphology. The phylogenetic analysis of the molecular markers placed the new species as a sister taxon to H. elisae, thus showing the colonizing lineage of Central Iberian Peninsula could have originated near the H. joseantonioi sp. n. current range. External morphological characters revealed some degree of overlap with previously described species, but internal characters presented configurations/states unknown from other members of the family. These traits make the new species a key piece to understand the evolution of Hormogastridae.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences
Subjects:	Q Science > QL Zoology
Uncontrolled Keywords:	Species description, earthworm, integrative taxonomy, phylogeny, disjunct distribution
Publisher:	Pensoft
ISSN:	1313-2970
Date of Acceptance:	26 May 2014
Last Modified:	31 Jan 2020 03:51
URI:	https://orca.cardiff.ac.uk/id/eprint/72619

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