Hemithalamocyathus

Hemithalamocyathus TING, 1937

Specimen-type: Archaeocyathus sibiricus lectotype, TOLL, 1899, pl. 6, fig. 5

Systematics:
Order: AJACICYATHIDA R. Bedford& J. Bedford, 1939
Suborder: AJACICYATHINA R. Bedford& J. Bedford, 1939
Superfamily: ANNULOCYATHOIDEA Krasnopeeva, 1953
Family: ANNULOCYATHIDAE Krasnopeeva, 1953

../images/hemithalamocyathus_sibiricus.png

Hemithalamocyathus


Outer wall

Inner wall

Intervallum

Others informations

Systematic

External view

Transverse section

Longitudinal section

Oblique section

Tangential section