Descriptor : Famillies inside the Ajacicyathina

Descriptor type : categorical

Ajacicyathidae

AJACICYATHIDAE R. Bedford & J. Bedford, 1939: Inner wall with simple pores.

Densocyathidae

DENSOCYATHIDAE Vologdin, 1937: Inner wall with bracts or scales.

Bronchocyathidae

BRONCHOCYATHIDAE R. Bedford & J. Bedford, 1936: Inner wall with annuli.

Ethmocyathidae

ETHMOCYATHIDAE Debrenne, 1969: Inner wall with noncommunicating canals.

Sajanocyathidae

SAJANOCYATHIDAE Vologdin, 1956: Inner wall with communicating canals.

Bipallicyathidae

BIPALLICYATHIDAE Debrenne, Rozanov, & Zhuravlev 1989: Inner wall with attached microporous sheath.

Robertocyathidae

ROBERTOCYATHIDAE Rozanov, 1969: Inner wall with simple pores.

Pretiosocyathidae

PRETIOSOCYATHIDAE Rozanov, 1969: Inner wall with noncommunicating canals.

Erbocyathidae

ERBOCYATHIDAE Vologdin & Zhuravleva, 1956: Inner wall with simple pores.

Perigrinicyathidae

PEREGRINICYATHIDAE Zhuravleva, 1967: Inner wall with annuli.

Vologdinocyathidae

VOLOGDINOCYATHIDAE Yaroshevich, 1957: Inner wall with noncommunicating canals.

Tegerocyathidae

TEGEROCYATHIDAE Krasnopeeva, 1989: Inner wall with communicating canals.

Tumulocyathidae

TUMULOCYATHIDAE Krasnopeeva, 1953: Inner wall with simple pores.

Sanarkocyathidae

SANARKOCYATHIDAE Hill, 1972: Inner wall with bracts or scales.

Geocyathidae

GEOCYATHIDAE Debrenne, 1964: Inner wall with annuli.

Konjuschkovicyathidae

KONJUSCHKOVICYATHIDAE Debrenne & Zhuravlev, 2000: Inner wall with noncommunicating canals.

Torosocyathidae

TOROSOCYATHIDAE Debrenne, Zhuravlev, & Kruse, 2002: Inner wall with simple pores.

Japhanicyathidae

JAPHANICYATHIDAE Rozanov, 1989: Inner wall with annuli.

Lenocyathidae

LENOCYATHIDAE Zhuravleva, 1956: Inner wall with noncommunicating canals.

Tumulifungiidae

TUMULIFUNGIIDAE Rozanov, 1989: Inner wall with simple pores.

Annulocyathidae

ANNULOCYATHIDAE Krasnopeeva, 1953: Inner wall with annuli.

Jakutocarinidae

JAKUTOCARINIDAE Debrenne, Rozanov, & Zhuravlev, 1989: Inner wall with noncommunicating canals.

Gagarinicyathidae

GAGARINICYATHIDAE Debrenne, Rozanov, & Zhuravlev, 1989: Inner wall with communicating canals.

Fallocyathidae

FALLOCYATHIDAE Rozanov, 1969: Inner wall with simple pores.

Gloriosocyathidae

GLORIOSOCYATHIDAE Rozanov, 1969: Inner wall with bracts or scales.

Kijacyathidae

KIJACYATHIDAE Zhuravleva, 1964: Inner wall with annuli.

Carinacyathidae

CARINACYATHIDAE Krasnopeeva, 1953: Inner wall with noncommunicating canals.

Ethmophyllidae

ETHMOPHYLLIDAE Okulitch, 1937: Inner wall with communicating canals.

Piamaecyathellidae

PIAMAECYATHELLIDAE Rozanov, 1974: Inner wall with simple pores.

Botomocyathidae

BOTOMOCYATHIDAE Zhuravleva, 1955: Inner wall with annuli.

Olgaecyathidae

OLGAECYATHIDAE Borodina, 1974: Inner wall with noncommunicating canals.

Tercyathidae

TERCYATHIDAE Vologdin, 1939: Inner wall with communicating canals.

Sigmocyathidae

SIGMOCYATHIDAE Krasnopeeva, 1953: Inner wall with annuli.

Wrighticyathidae

WRIGHTICYATHIDAE Kruse, 1978: Inner wall with communicating canals.

Hierarchy

Suborders inside the Ajacicyathida
 |
 |_ Famillies inside the Ajacicyathina

Belongs to the group