Fusulinid Biostratigraphy of the Moscovian- Lower Kasimovian of Hadim Nappe, Central Taurides, southern Turkey
Author
Akba, Melikan
Author
Okuyucu, Cengiz
text
Geodiversitas
2022
2022-06-09
44
19
527
562
journal article
78129
10.5252/geodiversitas2022v44a19
dcecd640-c7c1-4fb8-a484-0d2fa4de88da
1638-9395
6677663
urn:lsid:zoobank.org:pub:AF3C4774-484D-4B49-81D1-3172F6AFABD9
Genus
Depratina
Solovieva, 1996
TYPE
SPECIES. —
Schwagerina prisca
Deprat, 1912
by original designation.
ASSEMBLAGE. — The
Depratina
assemblage in this study are
Depratina chernovi
(
Fig. 10A, B
),
Depratina convoluta
(
Fig. 10C
),
Depratina dubia
(
Fig. 10D, E
),
Depratina paratimanica
(
Fig. 10F, G
),
Depratina posadai
(
Fig. 10H, I
),
Depratina prisca prisca
(
Fig. 10
J-M),
Depratina prisca sphaeroidea
(
Fig. 10N, O
),
Depratina prisca timanica
(
Fig. 10
P-S) and
Depratina sitteri
(
Fig. 10T, U
).
DESCRIPTION
Test small in size and short-inflated fusiform to subspherical in shape. The wall thin and three-layered, composed of tectum, thin lower and upper tectorium.
Septa
thin and plain across the centre of the test, slightly folded only in polar region of last one or two volutions. Chomata massive, symmetrical and rounded to subquadrate in shape.
REMARKS
The dominantly small sized and nearly globular or shortinflated fusiform shaped
Profusulinella
species
were referred to as the “
prisca
group” by Rauzer-Chernousova
et al.
(1951). Later, the “
prisca
group” was assigned to the genus
Depratina
Solovieva
in
Rauzer-Chernousova, Bensh, Vdovenko, Gibshman, Leven, Ya Lipina, Reitlinger, Solovieva & Chediya, 1996. The species belonging to the genus
Depratina
differ from other
Profusulinella
species
by having relatively globular or short-inflated fusiform test, smaller L/D ratio and poorly developed chomata. Hence, in this study the species belonging to the “
prisca
group” (Rauzer-Chernousova
et al.
1951) and the species which have same features such as
Depratina chernovi
,
Depratina convoluta
,
Depratina paratimanica
,
Depratina posadai
,
Depratina prisca sphaeroidea
and
Depratina dubia
are assembled in the genus
Depratina
.