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Geocoma carinata

Ophiuroidea - Ophiurida - Aplocomidae

Taxonomy
Ophiura carinata was named by Goldfuss (1833). Its type specimen is Neotype NMB M10637 and is not a trace fossil. It is the type species of Geocoma.

It was recombined as Geocoma carinata by d'Orbigny (1850), Boehm (1889), Hess (1960), Spencer and Wright (1966), Frickhinger (1994), Kutscher (1997) and Hess and Meyer (2008).

Synonyms
Synonymy list
YearName and author
1833Ophiura carinata Goldfuss p. 206 figs. pl. 62 fig. 5
1850Geocoma carinata d'Orbigny p. 381
1876Ophiura carinata Quenstedt p. 143 figs. pl. 95 fig. 39
1889Geocoma carinata Boehm p. 266
1889Ophiocten kelheimense Boehm p. 274 figs. pl. 5 fig. 6-8
1895Ophiocten kelheimense von Zittel figs. fig. 381
1960Geocoma carinata Hess p. 371 figs. figs. 35, 36
1963Ophiopinna derecta Hess p. 1149 figs. 11-14
1964Sinosura derecta Hess p. 779
1966Geocoma carinata Spencer and Wright p. U95 figs. fig. 81.6
1970Ophiopsammus kelheimensis Enay and Hess p. 1095 figs. figs. 1, 2
1975Sinosura derecta Hess p. 44 figs. pl. 5 figs. 7, 8, 12; pl. 10 fig. 10
1987Sinosura derecta Kutscher p. 57 figs. pl. 1 fig. 5
1991Ophiopsammus kelheimensis Bourseau et al. p. 795 figs. figs 1, 2
1994Geocoma carinata Frickhinger p. 174 figs. figs. 369-371
1994Sinosura derecta Meyer et al. p. 130 figs. fig. 120a
1995Sinosura kelheimense Kutscher and Röper pp. 90-95 figs. pl. 2, 4, 5 figs. 3, 4
1997Geocoma carinata Kutscher pp. 2-7 figs. text-fig. 1, pl. 1 fig. 1, pl. 2 fig. 1
1997Sinosura kelheimense Kutscher p. 5 figs. pl. 1 figs. 3, 4, pl. 2 figs. 2-5
1999Sinosura kelheimensis Hess p. 224
2008Geocoma carinata Hess and Meyer p. 35 figs. fig. 9

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Asterozoa()
classOphiuroidea
RankNameAuthor
suborderMyophiurina()
infraclassMetophiuridaMatsumoto 1913
superorderEuryophiurida
orderOphiurida()
infraorderChilophiurina
familyAplocomidae
subfamilyAplocominae
genusGeocoma
speciescarinata()

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.

†Geocoma carinata Goldfuss 1833
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Invalid names: Ophiocten kelheimense Boehm 1889 [synonym]
Diagnosis
ReferenceDiagnosis
H. Hess and C. A. Meyer 20085-6 round, slender arm spines; all proximal dorsal arm plates of similar length.
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 Early/Lower Callovian to the top of the Early/Lower Tithonian or 164.70000 to 145.00000 Ma

Collections (10 total)


Time interval Ma Country or state Original ID and collection number
Callovian166.1 - 163.5Germany (Brandenburg) Sinosura derecta (32016)
Early/Lower Callovian164.7 - 161.2Switzerland Ophiopinna derecta (61717)
Late/Upper Kimmeridgian155.7 - 150.8Germany (Baden-Württemberg) Sinosura kelheimense (154138)
Late/Upper Kimmeridgian155.7 - 150.8France Ophiopsammus kelheimensis (58209 58658)
Early/Lower Tithonian150.8 - 145.0Germany (Bayern) Sinosura kelheimense (31991)
Early/Lower Tithonian150.8 - 145.0France (Provence-Alpes-Côte d'Azur) Geocoma carinata (35262)
Early/Lower Tithonian150.8 - 145.0France (Var) Geocoma carinata (58575)
Early/Lower Tithonian150.8 - 145.0Germany (Bavaria) Geocoma carinata (58604) Sinosura kelheimensis (58605)