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Astropecten navodicensis

Asteroidea - Paxillosida - Astropectinidae

Taxonomy
Astropecten navodicensis was named by Nosowska (1997). It is not extant. Its type specimen is Collection of E. Nosowska, Department of Paleontology, University of Warsaw. Its type locality is Nawodzice sand pit, which is in a Badenian shallow subtidal sandstone in the Nawodzice sands Formation of Poland.

Synonymy list
YearName and author
1997Astropecten navodicensis Nosowska pp. 229-233 figs. pl. 1-5, pl. 6, fig. 1-12

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumAsterozoa
classAsteroidea
RankNameAuthor
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderPaxillosida
familyAstropectinidae
genusAstropecten
speciesnavodicensis

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
E. Nosowska 1997Outer face of marginal ossicles densely covered by tubercles: superomarginal tubercles very small, of equal size; inferomarginal tubercles differentiated into smaller ones, ball- or horseshoe-shaped, and bigger ones, always horseshoe-shaped, spaced in variable number along the abradial margin (at least two at one arm ossicle) and the distal margin; tubercles make a basis for large, strongly flattened scales (the largest are of the length equal to the width of the ossicle they grow on); adambulacrals with relatively long, sharp spines.