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


Hemithalamocyathus

Hemithalamocyathus

Hemithalamocyathus sibiricus (TOLL) unnumbered paralectotype Torgashino, Krasnoyarsk region, Altay Sayan, Russia Oblique longitudinal section (outer wall to left) (TOLL, 1899)


Outer wall

Inner wall

Intervallum

Others informations

Systematic

External view

Transverse section

Longitudinal section

Oblique section

Tangential section