Spiophanes adriaticus , a new species from the Mediterranean Sea

Morphological and genetic investigations have led to the identification of Spiophanes adriaticus sp. nov. (Polychaeta: Spionidae) from the North Adriatic Sea (Central Mediterranean). A total of 81 specimens were recorded along the sublittoral zone between 8 and 27.5 m of depth. This species differs...

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Bibliographic Details
Published in:Journal of the Marine Biological Association of the United Kingdom 2020-02, Vol.100 (1), p.45-54
Main Authors: D'Alessandro, Michela, Castriota, Luca, Maggio, Teresa, Nasi, Federica, Carletti, Marilyn, Auriemma, Rocco, Romeo, Teresa, Del Negro, Paola
Format: Article
Language:English
Subjects:
Body organs
Congeners
Deoxyribonucleic acid
DNA
DNA barcoding
Gene sequencing
Hooks
Identification
Illustrations
Marine biology
Morphology
New species
Nucleotide sequence
Organs
Sediments
Spiophanes
Sublittoral zone
Taxonomy
Tubes
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Description
Summary:Morphological and genetic investigations have led to the identification of Spiophanes adriaticus sp. nov. (Polychaeta: Spionidae) from the North Adriatic Sea (Central Mediterranean). A total of 81 specimens were recorded along the sublittoral zone between 8 and 27.5 m of depth. This species differs from other congeners by having: two pairs of black eyes, a cirriform occipital antenna, dorsal ciliated organs as thin bands usually extending to chaetigers 11–12, dorsal ciliated crests from chaetiger 14–17, undulate glandular opening on chaetigers 5–7, unhooded hooks from the 15th chaetiger and Y shaped tubes. A detailed description and illustrations are provided for the new species. Through DNA barcoding results and comparison of DNA sequences of the new species with those of other congeners available in the GenBank database, the validity of the new finding was confirmed. Spiophanes adriaticus sp. nov. represents the eighth species of Spiophanes recorded for the Mediterranean Sea. A key for the identification of Mediterranean Spiophanes species is also provided.
ISSN:0025-3154
1469-7769
DOI:10.1017/S0025315419001061