† Edriodiscus primotica (Cyclocystoides primotica)

Edriodiscus primotica

Additional Functions


Belong­ing to

Gaeabionta  ⇒ Domäne: Eukaryota  ⇒ Reich: Animalia  ⇒ Mittelreich: Eumetazoa  ⇒ Klade: Triploblastica  ⇒ Klade: Nephrozoa  ⇒ Abzweig: Deuterostomia  ⇒ Klade: Ambulacraria  ⇒ Stamm: Echinodermata  ⇒ Klasse: Edrioasteroidea  ⇒ Familie: Stromatocystitidae  ⇒ Gattung: Edriodiscus

Taxo­nomic seg­ment


This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.

Name from

Corre­spond­ing author (Name, Year)

Henderson & Shergold, 1971

Other languages


Edriodiscus primotica



Cyclocystoides primotica

Henderson & Shergold, 1971
Ref.: R. A. Henderson and J. H. Shergold. 1971. Cyclocystoides from early Middle Cambrian rocks of northwestern Queensland, Australia. Palaeontology 14(4):704-710

Lebenszeitraum in Million Jahren (Ma)

Start age: 513 Ma - End age: 513 Ma
Series 2
(Serie 2)
Stage 4
(Stufe 4)

Additional data by PBDB, License: CC BY

Motility: attached, epibiont (lives on the surface of another living organism), stationary
Habit: low-level epifaunal
Environment: marine

suspension feeder

Compositon of the remains:

high Mg Calcite

Reference- and Source indication, Literature

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Taxonomic assignment (0)

References by PBDB, License: CC BY

  • P. A. Jell, 1985 - Cambrian and Ordovician echinoderms from eastern Australia - Alcheringa (9), 183-208 (journal article, English)
  • R. A. Henderson, 1971 - Cyclocystoides from early Middle Cambrian rocks of northwestern Queensland, Australia - Palaeontology (14), 704-710 (journal article, English)


GUSID (Global unique identifier short form) AeUz8ftczE6M97NLKud7xg
GUID (Global unique identifier) F133E501-5CFB-4ECC-8CF7-B34B2AE77BC6
Database ID 227233