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NameCárdenas, P.; Xavier, J.; Tendal, O.S.; Schander, C.; Rapp, H.T. 2007. Redescription and resurrection of Pachymatisma normani (Demospongiae, Geodiidae), with remarks on the genus Pachymatisma. Journal of the Marine Biological Association of the United Kingdom, 87 (6), 1511-1525.
SourceID43944
DOI10.1017/s0025315407058286 [view]
AuthorsC?rdenas, P.; Xavier, J.; Tendal, O. S.; Schander, C.; Rapp, H. T.
Year2007
TitleRedescription and resurrection of Pachymatisma normani (Demospongiae: Geodiidae), with remarks on the genus Pachymatisma
JournalJournal of the Marine Biological Association of the UK
Suffix87(06)
Type Publication
Full textAvailable for editors  PDF available [request]
AbstractAn increasing number of cryptic species are being discovered within sponges with assumed wide geographical distribution. Pachymatisma johnstonia (Bowerbank in Johnston, 1842) (Astrophorida: Geodiidae) is one of the most common and known sponges throughout the north-east Atlantic coasts. Pachymatisma normani Sollas, 1888 is a northern species previously synonymized with P. johnstonia by Topsent. It is here redescribed on the basis of fresh material from the type locality, the Korsfjord in the Bergen area (Norway). Spicules are shown to be reliable characters to distinguish the species investigated. Pachymatisma normani is characterized by larger spicules, most markedly in the sterrasters. Our observations also suggest that habitat and gross morphology distinguish P. johnstonia from P. normani. Furthermore, using a partial sequence of the cytochrome c oxidase subunit I (COI) and an ITS1-5.8-ITS2 nuclear fragment, we show that consistent genetic differences exist between the two species. A brief overview of the genus and a key to the known species are also given.
Geographical
term
North Atlantic
Bibliographical
term
Systematics, Taxonomy
Taxonomic
term
Porifera
Taxa
(5)
Checked: verified by a taxonomic editorErylus geodiformis (van Soest & Stentoft, 1988) (basis of record)
Checked: verified by a taxonomic editorErylus listeri (Bowerbank, 1858) (basis of record)
Checked: verified by a taxonomic editorPachymatisma Bowerbank in Johnston, 1842 (basis of record)
Checked: verified by a taxonomic editorPachymatisma johnstonia (Bowerbank in Johnston, 1842) (additional source)
Checked: verified by a taxonomic editorPachymatisma normani Sollas, 1888 (basis of record)
Distributions
(2)
Celtic Seas for Pachymatisma johnstonia (Bowerbank in Johnston, 1842)
North Sea for Pachymatisma johnstonia (Bowerbank in Johnston, 1842)
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2013-01-12 18:30:12Z  created  db_admin
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