Checklist of the Invertebrate Chordata and the Hemichordata of British Columbia (Tunicates and Acorn Worms) (August, 2009) by Aaron Baldwin, PhD Candidate School of Fisheries and Ocean Science University of Alaska, Fairbanks E-mail
[email protected] The following checklist contains species in the chordate subphylum Tunicata and the acorn worms which have been listed as found in British Columbia. This list is certainly incomplete. The taxonomy follows that of the World Register of Marine Species (WoRMS database, www.marinespecies.org) and the Integrated Taxonomic Information System (ITIS, www.itis.gov). For several families and higher taxa I was unable to locate author's names so have left these blank. Common names are mainly from Lamb and Hanby (2005). Phylum Chordata Bateson, 1885 Subpylum Tunicata Class Ascidacea Nielsen, 1995 Order Entergona Suborder Aplousobranchia Family Cionidae Genus Ciona Fleming, 1822 Ciona savignyi Herdman, 1882 Family Clavelinidae Genus Clavelina Savigny, 1816 Clavelina huntsmani Van Name, 1931 Family Didemnidae Genus Didemnum Savigny, 1816 Didemnum carnulentum Ritter and Forsyth, 1917 Didenmum sp (Lamb and Hanby, 2005) INV Genus Diplosoma Macdonald, 1859 Diplosoma listerianum (Milne-Edwards, 1841) Genus Trididemnum delle Valle, 1881 Trididemnum alexi Lambert, 2005 Family Holozoidae Genus Distaplia delle Valle, 1881 Distaplia occidentalis Bancroft, 1899 Distaplia smithi Abbot and Trason, 1968 Family Polycitoridae Genus Cystodytes von Drasche, 1884 Cystodytes lobatus (Ritter, 1900) Genus Eudistoma Caullery, 1909