Zonacyathus

Zonacyathus R. BEDFORD& J. BEDFORD, 1937

Specimen-type: Archaeocyathus retevallum holotype, R. BEDFORD& W.R. BEDFORD, 1934, fig. 6

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

Notes:
Presence in Russia (Siberian Platform) isn't sure.
Presence during Botoman 1 isn't sure.

../images/zonacyathus_retevallum1.png

Zonacyathus

../images/zonacyathus_retevallum2.png

Zonacyathus

../images/zonacyathus_retevallum3.png

Zonacyathus


Outer wall

Inner wall

Intervallum

Others informations

Systematic

External view

Transverse section

Longitudinal section

Oblique section

Tangential section