Non-marine Ostracoda (Crustacea) of the Early Cretaceous ‘ Pre-Salt’ sediments of Brazil: An illustrated catalogue of the type specimens of Wicher, Krömmelbein, Krömmelbein & Weber, and Bate
Author
Bate, Raymond H.
ray@globalexplor.com
Author
Horne, David J.
0000-0002-2148-437X
d.j.horne@qmul.ac.uk
Author
Horne, Sarah E.
Author
Douglas, Lyndsey
l.douglas@vam.ac.uk
Author
Miller, Giles
0000-0001-9111-2136
g.miller@nhm.ac.uk
Author
Lord, Alan R.
0000-0002-0008-7746
ray@globalexplor.com
text
Zootaxa
2022
2022-02-09
5098
1
1
84
journal article
157772
10.11646/zootaxa.5098.1.1
ec802837-a2c4-4955-b15d-118934255664
1175-5326
6036685
26267A94-CD1E-49CF-9F72-C4E5D8149311
Petrobrasia signum
Krömmelbein, 1965
Fig. 7
,
12a–c
and
Fig. 8
,
1a–c
1965a
Petrobrasia signum
n. sp.
—Krömmelbein, p. 195, pl. 14, fig. 17.
Diagnosis:
In its carapace shape (lateral outline), corresponding closely to
Petrobrasia marfinensis
(
Krömmelbein, 1962
)
; however it is wider in dorsal view, with a symmetrically biconvex lengthways arching. Shell surface smooth as far as postero-ventral area, where some only weakly defined ridges appear.
Holotype
:
Carapace,
SMF
Xe 5363.
Paratype
:
Carapace,
SMF
Xe 5364
.
Dimensions:
Holotype
, length
0.81mm
, height
0.47mm
. Topotype,
SMF
Xe 7806, length
0.82mm
, height
0.51mm
, width
0.31mm
.