Abstract
ABSTRACTAlthough the bryozoological fauna of Galicia (NW Spain) is probably the best known of the whole Iberian Peninsula, and perhaps one of the better known in Europe, new studies continue to provide new knowledge. A new species, Schizotheca galaica sp. nov., is described. Eleven species are newly recorded in Galicia: Aetea longicollis, Parellisina curvirostris, Copidozoum planum, Glabrilaria corbula, Haplopoma sciaphilum, Schizomavella (Schizomavella) mamillata, Fenestrulina asturiasensis, Fenestrulina barrosoi, Buffonellaria muriella, Schizotheca divisa and Dentiporella saldanhai; two of them (B. muriella and S. divisa) are also reported for the first time in Iberian waters; four others (Antarctothoa galaica, F. asturiasensis, F. barrosoi and D. saldanhai) are reported for the first time since their original descriptions, and SEM images of A. longicollis and F. asturiasensis are provided for the first time. Moreover, the range of geographical distribution of some species is expanded: the record of S. divisa is the southernmost to date, while the records of S. mamillata, F. barrosoi and D. saldanhai are the most northerly to date. The presence of other four species in Galician waters is confirmed and we document the permanence and range extension of two species recently introduced into our waters (Tricellaria inopinata and A. galaica).urn:lsid:zoobank.org:pub:F8D0ABEF-026E-4FC8-A947-6484249519FA
Highlights
Bryozoans are key components of the benthos, presenting a wide diversity and encrusting all types of hard, permanent or ephemeral substrates
Studies on the bryozoological fauna of Galicia began with the publication of the results of the campaign by the Travailleur carried out by Jullien (1882, 1883), a very late date compared with the long bryozoological tradition in other areas such as the British Isles
From the 1980s on, a continuous series of works increased our knowledge on the Galician bryozoological fauna
Summary
Bryozoans are key components of the benthos, presenting a wide diversity and encrusting all types of hard, permanent or ephemeral substrates. The publication, 20 years later, of an annotated check-list (Reverter-Gil and Fernández-Pulpeiro 2001) that compiled data of more than 260 species, crowned this effort This revealed Galicia to be the most diverse area of the Iberian waters as far as bryozoans are concerned, and one of the best-known areas in Europe. In the present work we collate the most interesting data on 19 of them, including: the description of a new species of the genus Schizotheca Hincks, 1877; the first records of 11 species for Galician waters, two of which [Buffonellaria muriella Berning and Kukliński, 2008 and Schizotheca divisa (Norman, 1864)] are reported for the first time in Iberian waters; four others [Antarctothoa galaica (César-Aldariz, Fernández-Pulpeiro and Reverter-Gil, 1999), Fenestrulina asturiasensis Álvarez, 1992, Fenestrulina barrosoi Álvarez, 1993 and Dentiporella saldanhai Souto, Reverter-Gil and Fernández-Pulpeiro, 2010] are reported for the first time since their original descriptions. The record of S. divisa becomes the southernmost of the species to date, whereas the finding of Schizomavella (Schizomavella) mamillata (Hincks, 1880) in our waters confirms the presence of the species in Atlantic waters and it becomes the most northerly to date
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