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Actinastrea minutissima

Anthozoa - Scleractinia - Actinastreidae

Taxonomy
Astrocoenia minutissima was named by Gerth (1921).

It was recombined as Stylophora minutissima by Gerth (1933); it was recombined as Stylocoeniella minutissima by Umbgrove (1946) and Kiessling (2014); it was recombined as Actinastrea minutissima by Wells (1964) and Mihaljević (2019).

Sister species lacking formal opinion data
A. crassa, A. kellumi, A. minima

Synonymy list
YearName and author
1921Astrocoenia minutissima Gerth
1933Stylophora minutissima Gerth
1946Stylocoeniella minutissima Umbgrove
1964Actinastrea minutissima Wells
2014Stylocoeniella minutissima Kiessling
2019Actinastrea minutissima Mihaljević

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RankNameAuthor
kingdomAnimalia()
phylumCnidariaHatschek 1888
classAnthozoaEhrenberg 1834
—Hexacorallia()
orderScleractiniaBourne 1900
RankNameAuthor
suborderAstrocoeniinaVaughan and Wells 1943
familyActinastreidae(Alloiteau 1952)
genusActinastread'Orbigny 1849
speciesminutissima(Gerth 1921)

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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Diagnosis
ReferenceDiagnosis
M. Mihaljević 2019Colonies branching, with branches
6.45 – 37.56 mm in diameter. Branches flattened,
mostly elliptical in cross-section and sometimes
fused. Corallites monomorphic and discrete
(monocentric). Wall present, compact, septothecal.
Coenosteum limited, coarsely granulated on surface.
Corallites round in outline, 0.44 ‒1.11 mm in
width. Septa in two cycles. First septal cycle
reaches to the center of the calice, further cycles
subsequently shorter. All septa of the first cycle
attached to the columella. Costae very short and
non-confluent. Columella styliform. Pali or paliform
lobes absent.
Measurements
No measurements are available
Composition: aragonitef
Grouping: colonialf
Clonal: yesf
Environment: marinef
Locomotion: stationaryf
Attached: yeso
Life habit: intermediate-level epifaunalo
Diet: photosymbioticf
Diet 2: suspension feederf
Vision: blindc
Reproduction: alternatingo
Asexual: yesf
Dispersal: watero
Dispersal 2: planktonico
Created: 2008-01-26 09:44:35
Modified: 2008-01-26 11:44:35
Source: f = family, o = order, c = class
Reference: Kiessling 2004

Age range: base of the Eocene to the top of the Early/Lower Pliocene or 56.00000 to 3.60000 Ma

Collections (10 total)


Time interval Ma Country or state Original ID and collection number
Eocene56.0 - 33.9Marshall Islands Actinastrea minutissima (45355 45362 45364)
Early/Lower Miocene23.03 - 15.97Indonesia (Java) Stylophora minutissima (62860)
Miocene23.03 - 5.333Indonesia Astrocoenia minutissima (109132) Stylophora minutissima (155986)
Miocene - Pliocene23.03 - 2.588Malaysia (Borneo) Astrocoenia minutissima (45351)
Middle Miocene15.97 - 11.608Indonesia Stylophora minutissima (71056)
Late/Upper Miocene11.608 - 5.333Indonesia Astrocoenia minutissima (108813)
Early/Lower Pliocene5.333 - 3.6Indonesia (Java) Stylocoeniella minutissima (45343)