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Taeniactinidae

Asteroidea - Hemizonida - Taeniactinidae

Taxonomy
Taeniactinidae was named by Spencer (1927). It is not extant. Its type is Taeniactis.

It was synonymized subjectively with Helianthasteridae by Owen (1965).

It was assigned to Asterozoa by Spencer (1927); to Gnathasterina by Lehmann (1957); to Eugnathina by Spencer and Wright (1966); and to Hemizonida by Blake (1989).

Synonymy list
YearName and author
1927Taeniactinidae Spencer
1957Taeniactinidae Lehmann pp. 80-81
1966Taeniactinidae Spencer and Wright p. U65
1989Taeniactinidae Blake p. 213

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

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.

Fm. †Taeniactinidae Spencer 1927
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Subfm. †Protactininae Spencer 1927
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G. †Protactis Spencer 1927
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Protactis wenlockensis Spencer 1922
Invalid names: Calyptactininae Spencer 1930 [empty], Taeniactininae Spencer 1927 [empty]
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)