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† Protactis
Protactis

Additional Functions

Grouping

Belong­ing to

 Gaeabionta  ⇒ Domäne: Eukaryota  ⇒ Reich: Animalia  ⇒ Mittelreich: Eumetazoa  ⇒ Klade: Triploblastica  ⇒ Klade: Nephrozoa  ⇒ Abzweig: Deuterostomia  ⇒ Klade: Ambulacraria  ⇒ Stamm: Echinodermata  ⇒ Unterstamm: Asterozoa  ⇒ Klasse: Asteroidea  ⇒ Ordnung: Hemizonida  ⇒ Familie: Taeniactinidae  ⇒ Unterfamilie: Protactininae

Taxo­nomic seg­ment

Gattung

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)

Spencer, 1927

Other languages

scientific

Protactis

Lebenszeitraum in Million Jahren (Ma)

Start age: 433.4 Ma - End age: 433.4 Ma
Phanerozoic
(Phanerozoikum)
Paleozoic
(Paläozoikum)
Silurian
(Silur)
Wenlock
(Wenlock)
Llandovery
(Llandovery)
Sheinwoodian
(Sheinwood)
Telychian
(Telychium)
430.5
433.4
433.4
438.5

Additional data by PBDB, License: CC BY

Motility: slow-moving
Habit: low-level epifaunal
Environment: marine
Compositon of the remains:

high Mg Calcite

Reference- and Source indication, Literature

Next lower taxonomy level

Taxonomic assignment (1)

References by PBDB, License: CC BY

  • W. K. Spencer, 1927 - A monograph of the British Palaeozoic Asterozoa - Monograph of the Palaeontographical Society, London (1925), 325-388 (serial monograph, English)
  • W. K. Spencer, 1922 - A monograph of the British Palaeozoic Asterozoa. - Monograph of the Palaeontographical Society, London (1920), 197-236 (serial monograph, English)

IDs

GUSID (Global unique identifier short form) m7JYO_--iU2ViGWIhhYBiA
GUID (Global unique identifier) 3B58B29B-BEFF-4D89-9588-658886160188
Database ID 67306