Siphonosomatidae, Kawauchi, Sharma & Giribet, 2012

Silva-Morales, Itzahí & Gómez-Vásquez, Julio D., 2021, First records and two new species of sipunculans (Sipuncula) from the Southern Mexican Pacific, European Journal of Taxonomy 740 (1), pp. 77-117 : 105

publication ID	https://doi.org/ 10.5852/ejt.2021.740.1283
publication LSID	lsid:zoobank.org:pub:07F1B593-9F4F-4B32-88D9-ADC5CA0BEB84
DOI	https://doi.org/10.5281/zenodo.4644481
persistent identifier	https://treatment.plazi.org/id/03CA87A4-D36C-803E-7900-430EFABE60EC
treatment provided by	Plazi
scientific name	Siphonosomatidae
status

Treatment

Family Siphonosomatidae

1. Rectum with multiple rectal caecae or diverticulae ........................................................................... ......................................................... Siphonosoma cf. vastum View in CoL (Selenka & Bülow in Selenka, 1883)

– Rectum without multiple rectal caecae or diverticulae and dorsal retractor muscles originate anterior to ventral pair ................................................. Siphonosoma cumanense ( Keferstein, 1867) View in CoL