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Arenorbis squamosus

Ophiuroidea - Ophiurida - Aplocomidae

Taxonomy
Aspidura squamosa was named by Picard (1858). It is the type species of Arenorbis.

It was synonymized subjectively with Aspidura (Amphiglypha) prisca by Pohlig (1878); it was recombined as Ophioderma squamosa by Benecke (1886), Klinghardt (1933) and Kutscher (1940); it was recombined as Acroura squamosa by Picard (1886) and Müller (1976); it was recombined as Aplocoma squamosa by Hess (1965); it was recombined as Arenorbis squamosus by Hess (1970), Radwanski (2002) and Hess and Meyer (2008).

Synonyms
Synonymy list
YearName and author
1858Aspidura coronaeformis Picard pp. 431-432 figs. pl. 9 fig. 2
1858Aspidura squamosa Picard p. 431 figs. pl. 9 fig. 1
1879Aspidura squamosa Eck p. 50
1886Ophioderma squamosa Benecke p. 199
1886Acroura squamosa Picard figs. pl. 28 figs. 4-7
1886Aspidura coronaeformis Picard pp. 877-880 figs. pl. 28 figs. 1-3
1886Acroura armata Picard p. 880 figs. pl. 28 figs. 8-10
1889Aspidura coronaeformis Boehm p. 260
1889Aspidura squamosa Boehm p. 265
1889Acroura pellioperta Picard
1889Acroura coronaeformis Picard p. 638 figs. pl. 27 figs. 12-14
1889Acroura pellioperta Picard p. 640 figs. pl. 27 figs. 6-8
1913Aspidura coronaeformis Schöndorf pp. 228-229
1913Acroura armata Schöndorf p. 229
1933Ophioderma squamosa Klinghardt pp. 951-953 figs. fig. 4
1933Acrura coronaiformis Klinghardt p. 953 figs. fig. 6
1940Acroura pellioperta Kutscher pp. 11-12
1940Ophioderma squamosa Kutscher p. 15 figs. pl. 1 fig. 2
1965Aplocoma squamosa Hess p. 174
1970Arenorbis squamosus Hess pp. 1063-1066 figs. fig. 2
1976Acroura squamosa Müller p. 1401 figs. pl. 2 fig. 1; pl. 3, 4
2002Arenorbis squamosus Radwanski pp. 397, 403-405 figs. fig. 3, pl. 3
2008Arenorbis squamosus Hess and Meyer p. 36

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
Asterozoa()
classOphiuroidea
RankNameAuthor
suborderMyophiurina()
infraclassMetophiuridaMatsumoto 1913
superorderEuryophiurida
orderOphiurida()
infraorderChilophiurina
familyAplocomidae
genusArenorbis
speciessquamosus()

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.

Arenorbis squamosus Picard 1858
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Invalid names: Acroura armata Picard 1886 [synonym], Acroura pellioperta Picard 1889 [synonym], Aspidura coronaeformis Picard 1858 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinec
Locomotion: slow-movingc
Life habit: low-level epifaunalc
Diet: detritivorec
Diet 2: suspension feederc
Vision: blindc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-29 11:30:09
Modified: 2010-02-12 01:58:57
Source: c = class, p = phylum
References: Aberhan et al. 2004, Aberhan 1992

Age range: base of the Anisian to the top of the Ladinian or 247.20000 to 237.00000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Anisian247.2 - 242.0Poland (Silesia) Arenorbis squamosus (32083)
Illyrian247.2 - 242.0Germany Ophioderma squamosa (90045)
Ladinian242.0 - 237.0Germany Arenorbis squamosus (31995) Ophioderma squamosa (89456)
Ladinian242.0 - 237.0Germany (Thuringia) Acroura armata, Aspidura coronaeformis (89457) Acroura squamosa (89874)