Revision of Mesozoic Myodocopina (Ostracoda) and a new genus and species, Mesoleberis hollandica, from the Upper Cretaceous of Belgium and The Netherlands
Author
Kornicker, Louis S.
Author
Van, Barry W. M.
Author
Bakel
Author
Fraaije, René H. B.
Author
Jagt, John W. M.
text
Zootaxa
2006
1246
15
54
journal article
50616
10.5281/zenodo.172935
9913fef5-73fb-4525-a3a6-63ad2742ea71
11755326
172935
Triadogigantocypris donzei
(
Neale 1976
)
Fig. 3
C–E
Cypridina
?
n. sp.
A
Donze 1965
:100
, 101, pl. 3: figs. 71–74.
Pseudophilomedes
sp.
Grékoff & Magné 1966
:179
, pl. 1: figs. 6a–f.
Cypridina,
Donze 1971
:651
–661 (pers. comm. Donze (
5/8/2006
) through JeanPaul Colin).
Philomedes donzei
Neale 1976
:9
–12, textfigs. 1–3.
Triadogigantocypris donzei
(
Neale 1976
)
.—
Kornicker & Sohn 2000
:28
.
Holotype
University of Hull, collection number HU.152.C.1, carapace.
Type
Locality.
Chabrières, AlpesHauteProvince,
France
: approx. lat.
44°02’N
,
6° 16’E
. From the basal Valanginian (Vocontian Trough).
Material
Specimens not examined herein.
Distribution
|
Berriasian of Ardèche |
and |
Vocontian |
Trough, |
basal |
Valanginian, |
Lower |
Cretaceous, |
France (Neale 1976:9). |
Diagnosis
Carapace oval in lateral view; female carapace more rounded than that of male. Posterior margin of female with slight projection at midheight; posterior margin of male with acuminate posterior. Carapace with rostrum; ventral margin of rostrum forms obtuse angle with anterior edge of valve ventral to rostrum. Muscle scars consisting of main cluster of 4 oblique scars with 1 scar longer than others, anteroventral to fan of 5 scars, and anterior to 2 short scars. Length of
holotype
1.117 mm
.
Comparisons
Carapace differs from that of
M. hollandica
in having a different arrangement of central adductor muscle scars, and in having a posterior taper at midheight.