Blackfordiidae Bouillon, 1984 
AphiaID: 22793

Classification: Biota > Animalia > Cnidaria > Hydrozoa > Hydroidolina > Leptothecata

Status		accepted
Record status		Checked by Taxonomic Editor
Rank		Family
Parent		Leptothecata
Source		basis of record: Bouillon, J.; Boero, F. (2000). Synopsis of the families and genera of the Hydromedusae of the world, with a list of the worldwide species. Thalassia Salent. 24: 47-296 (look up in IMIS) [details]
Direct child taxa [show all]		Genus Blackfordia Mayer, 1910
Environment		marine
Links		To GenBank To ITIS
Note		Diagnosis: Hydroid colony stolonal, rarely slightly ramified; hydrotheca with diaphragm; operculum composed of numerous, converging, triangular flaps, showing no clear demarcation from hydrothecal margin; hydranth with one whorl of 12-16 filiform tentacles, with membranous intertentacular web; gonothecae developing on stem or on hydranth stalk, one medusa in each gonotheca. Medusa with small and short manubrium; mouth with four long, drawn-out lips; numerous hollow tentacles; tentacle gastrodermis extending inwards from bell margin into bell mesogloea; four radial canals; gonads cover radial canals completely; no permanent rudimentary tentacles; numerous closed statocysts. [details]
Image		Family Blackfordiidae added on 2013-06-07 - author: Schuchert, Peter qualitystatus: checked by Schuchert, Peter on 2013-06-07 14:47:34
LSID		urn:lsid:marinespecies.org:taxname:22793
Taxonomic Edit history		Date    action    by 2004-12-21 15:54:05Z   created   db_admin 2010-09-08 12:01:38Z   changed   Schuchert, Peter 2013-05-21 11:03:14Z   changed   Schuchert, Peter
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		Citation: Schuchert, P. (2013). Blackfordiidae Bouillon, 1984. In: Schuchert, P. (2013) World Hydrozoa database. Accessed through: Schuchert, P. (2013) World Hydrozoa database at http://www.marinespecies.org/hydrozoa/aphia.php?p=taxdetails&id=22793 on 2013-06-20