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Cephalodiscida

Pterobranchia - Cephalodiscida

Taxonomy
Cephalodiscida is an order. It is extant.

It was assigned to Pterobranchia by Bulman (1970), Sepkoski (2002) and Maletz (2014).

Synonymy list
YearName and author
1970Cephalodiscida Bulman p. V16
2002Cephalodiscida Sepkoski
2014Cephalodiscida Maletz p. 485

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
RankNameAuthor
phylumHemichordataBateson 1885
classPterobranchiaLankester 1877
orderCephalodiscida
orderCephalodiscida

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

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Fm. †Cephalodiscidae Harmer 1905
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Invalid names: Eocephalodiscidae Kozłowski 1949 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: no hard partsp
Created: 2009-10-08 23:19:19
Modified: 2009-10-09 01:19:19
Source: p = phylum
Reference: Hendy et al. 2009

Age range

Maximum range based only on fossils: Idamean or 497.00000 to 494.00000 Ma
Minimum age of oldest fossil (stem group age): 494.0 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Idamean497.0 - 494.0Australia (Tasmania) Aellograptus savitskyi (204525)