- †Ammonoidea Order: †Ammonitida Family: †Hildoceratidae Subfamily: †
Grammoceratinae Genus: †Grammoceras Hyatt, 1867
Species Grammoceras striatulum (Sowerby...
- subfamily.
Yakounia is
included in the
hildoceratid family,
subfamily Grammoceratinae.
Related genera include such as Grammoceras, Costigrammoceras, and...
- Hildoceratinae, to
which the Treatise, Part L, adds the Bouleiceratinae,
Grammoceratinae, and Tmetoceratinae.
Donovan et al. (1981)
includes the same and adds...
- doi:10.1134/S0031030124600318. Sandoval, J. (2024). "Latiwitc****ia (
Grammoceratinae?, Ammonitina,
Middle Jur****ic); an
eastern Pacific ammonite in the...
- Ureta, M. S. (2012). "Latest Toarcian-earliest
Bajocian (Jur****ic)
Grammoceratinae (Hildoceratidae, Ammonitina) of the
western Tethys:
Their palaeobiogeographic...
-
Soledad Ureta (2012). "Latest Toarcian-earliest
Bajocian (Jur****ic)
Grammoceratinae (Hildoceratidae, Ammonitina) of the
western Tethys:
Their palaeobiogeographic...
- (3): 257–274. doi:10.1127/0077-7749/2013/0369. Zoltán Kovács (2013). "
Grammoceratinae (Ammonitina)
fauna from the
Gerecse Mts (Hungary)" (PDF). Földtani...
