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Palasteriscidae

Asteroidea - Platyasterida - Palasteriscidae

Synonyms
Synonymy list
YearName and author
1890Palaebrisingidae Stürtz p. 246
1890Palaechinasteridae Stürtz pp. 246-247
1900Palasteriscidae Gregory p. 257
1915Palasteriscidae Schuchert pp. 163, 199
1919Platanasteridae Spencer pp. 169-171
1957Platanasteridae Lehmann pp. 77-78
1957Palaechinasteridae Lehmann p. 115
1965Palasteriscidae Owen p. 559
1966Palasteriscidae Spencer and Wright p. U42
1989Palasteriscidae Blake p. 212
1994Palasteriscidae Blake p. 125
2005Palasteriscidae Dean Shackleton p. 94
2007Palasteriscidae Blake p. 1477
2007Palasteriscidae Blake and Rozhnov p. 521

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumAsterozoa
classAsteroidea
orderPlatyasterida
familyPalasteriscidae
familyPalasteriscidae

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
J. Dean Shackleton 2005Ambulacral proximal podial flange with tongue overlapping distal flange; adambulacrals lateral with respect to ambulacrals; madreporite in contact with inferomarginal; madreporite no longer dorsal to inferomarginals; inferomarginals form ambitus; buccal slits; axillary not subrectangular.
D. B. Blake 2007Five-armed asteroids. Abactinals paxilliform, aligned in series; primary circlet not recognized; carinal series at most weakly differentiated. Marginals absent, or in one, or two series. Actinal ossicles few to many. Actinal surface of ambulacrals recessed above actinal surface of adambulacrals. Adambulacrals upright and overlapping, articular flanges small. Ambulacrals square to slightly wider than long. Ambulacral radial canal forming broad, concave surface, although axial channel can be deep. Cross-furrow articular structures gracile. Adambulacrals wider than ambulacrals; adambulacrals prolonged adradially to form nose; articular surface between adambulacral, ambulacral comparatively small so that ambulacral at most only weakly overlaps adambulacral. Skeletal gap present. Buccal slit present. Axillary present, either large or small.