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Acasta

Thecostraca - Balanomorpha - Balanidae

Taxonomy
Acasta was named by Leach (1817) [Sepkoski's age data: T Ol-l R]. It is extant. It is the type genus of Acastinae.

It was assigned to Cirripedia by Sepkoski (2002); to Archaeobalanidae by McLaughlin et al. (2005) and Jones (2007); and to Acastinae by Chan et al. (2021).

Synonymy list
YearName and author
1817Acasta Leach
2002Acasta Sepkoski
2005Acasta McLaughlin et al. p. 42
2007Acasta Jones p. 294
2021Acasta Chan et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
Deuteropoda
Mandibulata
PancrustaceaZrzavý and Štys 1997
subphylumCrustaceaBrünnich 1772
RankNameAuthor
classThecostraca(Gruvel 1905)
subclassCirripedia(Rafinesque 1816)
infraclassThoracica(Darwin 1854)
superorderThoracicalcarea()
Sessilia(Lamarck 1818)
orderBalanomorpha(Pilsbry 1916)
superfamilyBalanoideaLeach 1817
familyBalanidaeLeach 1817
subfamilyAcastinaeKolbasov 1993
genusAcastaLeach 1817

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.

G. Acasta Leach 1817
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Acasta cyathus Darwin 1854
Acasta vesiculosa Carriol 2008
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitef
Grouping: gregariousf
Locomotion: stationaryf
Attached: yesf
Epibiont: yesf
Life habit: epifaunalf
Diet: suspension feederf
Vision: limitedc
Created: 2008-03-04 07:41:07
Modified: 2008-03-04 09:41:07
Source: f = family, c = class
Reference: Kiessling 2004

Age range

Maximum range based only on fossils: Burdigalian or 20.44000 to 15.97000 Ma
Minimum age of oldest fossil (stem group age): 15.97 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Burdigalian20.44 - 15.97Germany A. vesiculosa (188985)