A genus level revision of the Thamnocephalidae (Crustacea: Branchiopoda: Anostraca)
Author
Rogers, D. Christopher
text
Zootaxa
2006
1260
1
25
journal article
10.5281/zenodo.173180
65d49016-6a67-4f74-b704-d07c0aa5c6b3
11755326
173180
Genus
Carinophallus
Gen. Nov.
Branchinella
Daday 1910
;
Linder 1941
; Tiwari 1958; Baid 1975;
Hamer 1994
,
1999
;
Belk & Brtek 1995
;
Brtek 1996
;
Brendonck & Riddoch 1997
;
Brtek & Mura 2000
.
Branchinema
Wolf
, in Daday 1910.
Diagnosis
(
Figure 1
B). Fully extended penes extending to base of third postgenital abdominal segment. Basal portion of penes rigid, cylindrical, each bearing a single large, triangular, ventral carina with apex directed laterally. Rigid basal portion each bearing a single small, truncated, cylindrical, medial tubercle, with apical patch of denticles. Distal eversible portion of penes soft, cylindrical, with two large medial spines, two medium sized ventrolateral spines, and two medium sized apical spines. Distal portion of ventrolateral surface with small proximally directed spines. Penal apex truncate, directed apically. Brood pouch subcylindrical to subspherical, extending to the base of the first abdominal segment. Male with frontal appendage present. “Antennalike” appendages absent.
The morphology of the eversible portion of the penes in
Carinophallus
and
Thamnocephalus
similar. One species from Africa and southern Asia (see below).