Systematic notes on some leptomedusa species with a description of Neotima galeai n. spec. (Hydrozoa, Cnidaria)
Author
Peter Schuchert
text
Revue suisse de Zoologie
2017
124
2
351
375
journal article
31835
10.5281/zenodo.893549
2f791191-ae08-4795-b02f-6a4ed2e3e15d
893549
Mitrocomella brownei
(
Kramp, 1930
)
Fig. 12
A-B
Trissocoma brownei
Kramp, 1930
: 23
, fig. 9-11.
Mitrocomella brownei
. ‒
Kramp, 1932
: 341
, figs 9, 37, revision.
–
Rees & Russell, 1937
: 75
, figs 9-10, life cycle. –
Russell, 1953
: 261
, figs 150-155, pl. 15 fig. 4. ‒
Kramp, 1959a
: 142
, fig. 169. –
Kramp, 1961
: 155
. –
Pagès
et al.,
1992
: 32
, table. ‒
Bouillon, 1995
: 236
. –
Cornelius, 1995
: 140
, fig. 31. ‒
Bouillon & Barnett, 1999
: 91
, fig. 91.
Material
examined:
3 medusae;
France
,
Roscoff
,
48.73°N
04.00°E
,
0-20 m
depth, collection date
April 1998
;
DNA
isolate N119; 16S sequence
KX355404
,
COI
MF000485
,
18
S
FJ550521
, 28S
FJ550374
.
Diagnosis:
Umbrella diameter
4-7 mm
, umbrella usually somewhat flatter than a hemisphere, lateral jelly rather thin, apical jelly somewhat thickened, no gastric peduncle. Velum width 1/3 to 1/4 of radius. Manubrium short, cruciform cross-section, base not much larger than oral end, mouth simple, four perradial, slightly recurved lips. Radial canals 4, narrow, straight. Gonads oval, somewhat more elongate in females, situated near the ends of the radial canals, in younger animals more towards middle. Marginal tentacles typically 16, range in adults 11-24, with basal bulbs, 5-7 cirri between adjacent tentacles, coiling spirally. Typically 8 large, adradial statocysts (range 8-11), each with 5-7 concretions in a u-like arrangement. Colours: manubrium greenish, pink, or ochreous yellow.
Polyp stage tiny, of “
Cuspidella
”
type
, see
Cornelius (1995)
.
Distribution:
British Isles,
Brittany
, Mediterranean,
New
Zealand
.
Type
locality:
North
Sea.
References:
Russell (1953)
,
Cornelius (1995)
,
Bouillon & Barnett (1999)
.