Complete mitochondrial genome of Bugula neritina (Bryozoa, Gymnolaemata, Cheilostomata): phylogenetic position of Bryozoa and phylogeny of lophophorates within the Lophotrochozoa

Table 2 List of metazoan mitochondrial genomes showing single-strand dependent transcription tendency for protein-coding and ribosomal RNA genes

Classifications	Complete mitochondrial genomes¹⁾	Single-strand dependency²⁾	Species names
Primitive metazoans
Cnidaria	34	29	Metridium senile etc.
Porifera	21	19	Tethya actinia etc.
Others	4	0
Deuterostomia
Urochordata	6	6	Ciona intestinalis etc.
Others	1031	0
Protostomia
Lophotrochozoa
Bryozoa	2	1	*Bugula neritina*
			*Flustrellidra hispidia*
Brachiopoda	3	3	*Terebratulina retusa*
			*Laqueus rubellus*
			*Terebratalia transversa*
Phoronida	1	0	*Phoronis psamophila*
Entoprocta	2	0
Annelida	8	8	Platynereis dumerilii etc.
Molluska	45	18	Mytilus edulis etc.
Platyhelminthes	28	28	Schistosoma japonicum etc.
Echiura	1	1	Urechis caupo
Chaetognatha	2	0
Nemertea	1	1	Cephalothrix rufifrons
Acanthocephala	1	1	Leptorhychoides thecatus
Rotifera	1	1	Brachionus plicatilis
Ecdysozoa
Nematoda	27	17	Caenorhabditis elegans etc
Arthropoda	207	4	Tigriopus califormicus etc.
Others	3	0
Total	1428	137

¹⁾ The number of mitochondrial genomes completely sequenced to date
²) The number of mitochondrial genomes showing single-strand dependent transcription tendency

ISSN: 1471-2164