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Taxon profile

species

Arctic Hiatella
Hiatella arctica (C. Linnaeus, 1767)

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Bivalvia - bivalves »  order Hiatellida »  family Hiatellidae »  genus Hiatella

Scientific synonyms

Hiatella hawaiensis W. H. Dall, P. Bartsch & H. A. Rehder, 1938
Hiatella monoperta Bosc, 1801
Hiatella orientalis Yokoyama, 1920
Hiatella pholadis C. Linnaeus, 1767
Hiatella solida Sowerby, 1834
Hiatella striata Fleuriau, 1802

Images

Hiatella arctica - Arctic Hiatella

Hiatella arctica flacida

Author: Antonio França

Hiatella arctica - Arctic Hiatella

Author: Panova

Taxon in country check-lists*

* List of countries might not be complete

Interchangeable taxa

This is a species having a remarkable morphological variability, that can be easily confused with its congenerous one H. rugosa (Linnaeus, 1767). Recent studies (see bibliography) showed that the morphological differences between the two species, stated by B.D.D. (1896), cannot be generally applied. While, as explained in the note concerning H. rugosa, the difference in the cardinal margin is considerable. There are also other not much important differences in the sizes and in the prodissoconch sculpture: H. arctica has got a little bit bigger diametre and some concentric striae at the margins, no present in H. rugosa. There were described several variety names as: inermis, praecisa, dilatata, oblonga, abbreviata etc. of no taxonomic value. The average measures are abt. 10 mm.
Scaperrotta, M. ,Bartolini, S. & Bogi, C., 2009. Accrescimenti, Vol. 1. Stages of growth of marine molluscs of the Mediterranean Sea. (secondary description)

Distribution

Very common all over the Mediterranean. It lives in a few metres depth up to remarkable depths. Habitat: it lives, anchored by its byssus, to solid substrata, with some bivalve molluscs too, tubes of polychaetes and to artificial material employed in the mollusc culture.
Scaperrotta, M. ,Bartolini, S. & Bogi, C., 2009. Accrescimenti, Vol. 1. Stages of growth of marine molluscs of the Mediterranean Sea. (secondary description)
Author: Jan Delsing

Similar species

Hiatella rugosa C. Linnaeus, 1767

Included taxa

Number of records: 1

subspecies Hiatella arctica flaccida A. A. Gould, 1861

Links and literature

EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [as Hiatella arctica Linnaeus, 1767]
Data retrieved on: 23 November 2013
EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [as Hiatella solida Sowerby, 1834]
Data retrieved on: 23 November 2013
CZ Pfleger V. (1999): České názvy živočichů III. Měkkýši (Mollusca), Národní muzeum, (zoologické odd.), Praha, 108 pp. [as Hiatella arctica (LINNÉ, 1767)]
Data retrieved on: 11 November 2013
IT Repetto G., Orlando F. & Arduino G. (2005): Conchiglie del Mediterraneo, Amici del Museo "Federico Eusebio", Alba, Italy [as Hiatella arctica (Linné, 1767)]
EN Petović S., Gvozdenović S., Ikica Z. (2017): An Annotated Checklist of the Marine Molluscs of the South Adriatic Sea (Montenegro) and a Comparison with Those of Neighbouring Areas, Turkish Journal of Fisheries and Aquatic Sciences 17: 921-934 [as Hiatella arctica (Linnaeus, 1767)]

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