Fróðskaparrit - 01.01.2006, Page 139

STAKIR SJÓBJØLGAR (TUNICATA, ASCIDIACEA
OG SORBERACEA) VIÐ FØROYAR
137
FÍRitre 2. BIOFAR records of Ciona intestinalis.
Order PHLEBOBRANCHIA
Family: CORELLIDAE
Genus: Corella Alder and Hancock,
1870
of these six stations. The records frorn the Wyville-
Thompson Ridge, south westem slope at 700 m (t.e.
7.0 °C) and from the Faroe-Iceland Ridge 509 m
(measured temperature -0.1 °C) have been revised
by Dr. Liitzen and identified as f. typica.
C. intestinalis is a European species that has colo-
nized all the lcmperate regions of the world, by ship
traffic dispersal (Hartmeyer, 1924; Ámback-Christie-
Linde, 1934; Berrill, 1950; Brewin, 1950; Hewitt et
al., 2004). European origin is hypothesized based on
restricted occurrence in harbours and marinas outside
Europe in the early 20,h century.
Previous records: “Fylla” 1890: On the Faroe-Shetland
Channel slope, southeast of Suðuroyar Banki 459 m
(61°23’N ; 05°04'W) (Hartmeyer, 1924).
Corella borealis Traustedt, 1886
Oood description: Traustedt, 1886; VanName, 1912:593-
594; pl. 65, fig. 123; Hartmeyer, 1924:14-17.
Figure 3. Corella borealis (from Traustedt, 1886).