TABLE 11. SOME SYMBIOTIC CNIDARIA WHICH HAVE BEEN F o m ASSOCIATED WITH MARINE M o ~ ~ n s c s
(Compiled by Dr Cadet Hand; after Dales, 1957, with later additions)
E
Remarks
Reference
Host
Hydroid
Locality
Pelecypoda
Donax gouldi
Tivela stultorum
Nuculana pwtulosa
Nucula nucleus
Nucula tumida
Craasostrea rhizophorae
Tapes decwraatwr
Clytia bakeri
Southern
California
Monobrachiurn Puget Sound,
paraaitum
Southern
California,
White Sea
Perigonimus
Arctic and
abyssi
North Atlantic
Eugymnanthea Puerto Rico
ostrearum
Eugymnanthea Italy
inquilina
An unmodified form which lives
on D o m in the surf on sandy
beaches ; a similar hydroid lives on
species of D o m on Texas and
Louisiana coasts
A one-tentacled hydroid living on
small bivalves. A species of Monobrachium also occurs in about
1OOfm off coast of Baja and
Southern California
A minute Perigonimus with reduced
numbers of tentacles. Also found
on Dentaliurn sp.
A solitary hydroid which lives as a
commensal in the oyster’s mantle
cavity. Produces only one medusa
a t a time
A commensal in the mantle cavity
Mereschkowsky(l877) ; &
Fraser (1918) ;
a
Hand (1957)
8
21
2
Ei
Ritchie (1913)
2
Mattox and Crowell
F
(1951)
Palombi (1936s)
a
m
m
m