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Coulonia parva

Asteroidea - Paxillosida - Astropectinidae

Taxonomy
Coulonia parva was named by Neumann and Hess (2001). Its type specimen is Holotype MBE2917 at the Museum für Naturkunde, Berlin and is a 3D body fossil. Its type locality is Asteroidea, Santonian, Sierra de Montsech, Pyrenees, which is in a Santonian transition zone/lower shoreface marl/grainstone in Spain.

Synonymy list
YearName and author
2001Coulonia parva Neumann and Hess pp. 8-10 figs. figs. 2-4

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumAsterozoa
classAsteroidea
RankNameAuthor
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderPaxillosida
familyAstropectinidae
subfamilyAstropectininae
genusCoulonia
speciesparva

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.

Diagnosis
ReferenceDiagnosis
C. Neumann and H. Hess 2001Small Coulonia species with comparatively long arms (R/r approx. 3/1); One row of actinals reach far into the arms; inferomarginals on interbrachial arc with deep fasciolar grooves that are less developed on the arms where ossicles are stouter; no larger spines on adambulacrals and probably none on inferomarginals.