Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Transennatia
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Productoidea
Family:
Productellidae
Formal Genus Name and Reference:
Transennatia WATERHOUSE, 1975, p. 10
Type Species:
Productus gratiosus WAAGEN, 1884, p. 691, OD
Images
(Click to enlarge in a new window)
Fig. 295, 4a-e. *T. gratiosa (Waagen), Upper Permian, Wargal Formation, Salt Range, Pakistan, $a, b$, ventral, dorsal views, x1, c-e$, lateral, ventral interior, dorsal interior, x2$ (Grant, 1976).
Synonyms
Gratiosina, Kurtomarginifera
Geographic Distribution
Himalayas, Thailand, China, Timor, Western Australia, Greece, Sicily
Age Range
Beginning Stage in Treatise Usage:
Lower Permian (?Kungurian)
Beginning International Stage:
Kungurian
Fraction Up In Beginning Stage:
0
Beginning Date:
283.3
Ending Stage in Treatise Usage:
Upper Permian (Kazanian)
Ending International Stage:
Roadian
Fraction Up In Ending Stage:
100
Ending Date:
269.21
Description
Small, outline subquadrate with small ears, ribs strongly defined, commonly converging into sulcus, rugae strong, producing reticulation on both disks, spines in row separating ears, scattered on disk, trail, cardinal process sessile quadrifid