Ophryotrocha labronica pacifica Paxton & Åkesson, 2007

Paxton, Hannelore & Åkesson, Bertil, 2010, The Ophryotrocha labronica group (Annelida: Dorvilleidae) — with the description of seven new species, Zootaxa 2713, pp. 1-24 : 6

Ophryotrocha labronica pacifica Paxton & Åkesson, 2007

Table 1

Ophryotrocha labronica pacifica Paxton & Åkesson, 2007: 16 .

Material examined. Type material: Holotype ( SMNH 6423), cultured from specimens collected in Sagami Bay, Japan 1979. Other material: Live cultures from same collection.

Diagnosis. Morphology as for nominotypical subspecies; genetic distance expressed as a moderate fitness decrease in F1 hybrids, but a severe hybrid breakdown in F2 and lowered viability in crosses between subspecies.

Distribution. North Pacific Ocean: Sagami Bay, Japan; Hawaii; Los Angeles, California, USA.