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Protactininae

Asteroidea - Hemizonida - Taeniactinidae

Taxonomy
Protactininae was named by Spencer (1927). Its type is Protactis.

It was assigned to Taeniactinidae by Spencer (1927); and to Helianthasteridae by Owen (1965).

Subtaxa
Protactis (type genus)

Synonymy list
YearName and author
1927Protactininae Spencer p. 367
1965Protactininae Owen p. 560

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
RankNameAuthor
Asterozoa()
classAsteroidea
orderHemizonida
familyTaeniactinidae
subfamilyProtactininae
subfamilyProtactininae

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.

Subfm. †Protactininae Spencer 1927
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G. †Protactis Spencer 1927
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Protactis wenlockensis Spencer 1922
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: slow-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-28 15:35:10
Modified: 2010-02-09 06:02:08
Source: c = class, p = phylum
References: Aberhan 1992, Aberhan et al. 2004

Age range: Telychian or 438.50000 to 433.40000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Telychian438.5 - 433.4United Kingdom Protactis wenlockensis (99373)