Irinaecyathus

Irinaecyathus ZHURAVLEVA, 1974

Specimen-type: Ethmophyllum grandiperforatum VOLOGDIN, 1940a; p. 160 text-fig. 75; pl.46 fig. 1 holotype not designated

Systematics:
Order: AJACICYATHIDA R. Bedford& J. Bedford, 1939
Suborder: AJACICYATHINA R. Bedford& J. Bedford, 1939
Superfamily: BRONCHOCYATHOIDEA R. Bedford& J. Bedford, 1936
Family: SAJANOCYATHIDAE Vologdin, 1956

../images/irinaecyathus_grandiperforatum.png

Irinaecyathus


Outer wall

Inner wall

Intervallum

Others informations

Systematic

External view

Transverse section

Longitudinal section

Oblique section

Tangential section