Fossil Thalamoporellidae (Bryozoa) from Paleogene-Neogene sediments of western Kachchh, Gujarat, India
Author
Sonar, Mohan A.
Department of Geology, Government Institute of Science, Aurangabad, Maharashtra, India.
Author
Pawar, Ravi V.
Department of Geology, Government Institute of Science, Aurangabad, Maharashtra, India.
Author
Wayal, Dyaneshwar V.
Department of Geology, Government Institute of Science, Aurangabad, Maharashtra, India.
text
Zootaxa
2022
2022-02-25
5104
2
251
274
journal article
20446
10.11646/zootaxa.5104.2.5
dc85c0df-79ee-4aab-b21d-2df3a61d8ac0
1175-5326
6280839
DE993A29-98B4-4DA0-85CF-9B8D4868A454
Thalamoporella tewarii
Guha & Gopikrishna, 2004
(
Fig. 14
,
Table 11
)
Thalamoporella tewarii
Guha & Gopikrishna, 2004: 27
, figs 24, 25.
Material examined.
GIS/B 0326–0352. Yellow limestone, Murachbann,
2 km
from Walaram Teerthdham, Chhasra Formation,
lower Miocene
(Burdigalian),
23
°
30’10” N
,
68
°
52’99” E
,
elevation
91–93 m
,
13 January 2011
, DST project, New
Delhi
.
Description.
Colony erect, cylindrical, stems dichotomously branching. Autozooids elongate-rectangular, mostly parallel-sided, bordered by raised, smooth, thin boundaries (
Fig. 14A
). Orifice subcircular, the arcuate distal margin thin, raised, the proximal edge wide and concave. Adoral area narrow, lacking tubercles. Two large longitudinally oval opesiules present near lateral walls, equal or unequal, deeply sunken. Cryptocyst sloping into opesiular region, perforated, sparsely granular (
Fig. 14B
). Avicularia unknown.
Remarks.
The present species accords with
T. tewarii
Guha & Gopikrishna, 2004
.