- 115)included
Gymnites in the
Gymnitidae along with Ophiceras, Flemingites, and
Xenaspis,
genera since ****igned elsewhere, and
included the
Gymnitidae in the suborder...
- Order: †Ceratitida Family: †Paraceltitidae Genus: †Nielsenoceras Furnish, 1966 Type
species Xenaspis skinneri Miller & Furnish, 1940
Species See text...
- ( Nevada) A
member of the
family Xenoceltitidae; a new
genus for "Xenodiscus (
Xenaspis)" nevad****
Smith (1932).
Parahedenstroemia petkovici Sp. nov
Valid Đaković...
- Gray, 1832 c g
Valonia Walker, 1856 c g
Venacalva Whittington, 2003 c g
Xenaspis Osten Sacken, 1881 c g
Xenaspoides Frey, 1930 c g
Xiria Walker, 1856 c...
-
Those being Xenaspis, Flemingites, and Ophiceras.
Derivation as
shown in
Smith (1932 p. 30) is from Xenodiscus. The more
primitive Xenaspis, Flemingites...
- 1978
Tarfa McAlpine, 2001
Terzia McAlpine, 2001
Valonia Walker, 1856
Xenaspis Osten-Sacken, 1881
Xenaspoides Frey, 1930
Zealandortalis Malloch, 1939...
