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Ophiopetra

Ophiuroidea - Ophiurida - Aplocomidae

Taxonomy
Ophiopetra was named by Enay and Hess (1962) [Sepkoski's age data: J Kimm-u]. It is not extant. Its type is Ophiopetra lithographica. It is the type genus of Ophiopetrinae.

It was assigned to Ophiodermatidae by Enay and Hess (1962), Spencer and Wright (1966); to Aplocomidae by Hess (1965), Hess (1972); to Ophiurida by Sepkoski (2002); and to Ophiopetrinae by Hess and Meyer (2008).

Species
O. bathonica, O. lithographica (type species), O. oertlii

Synonymy list
YearName and author
1962Ophiopetra Enay and Hess
1965Ophiopetra Hess p. 175
1966Ophiopetra Spencer and Wright p. U98
1972Ophiopetra Hess p. 39
2002Ophiopetra Sepkoski
2008Ophiopetra 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
subfamilyOphiopetrinae
genusOphiopetra

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.

G. †Ophiopetra Enay and Hess 1962
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†Ophiopetra bathonica Hess 1964
†Ophiopetra lithographica Enay and Hess 1962
†Ophiopetra oertlii Hess 1965
Diagnosis
ReferenceDiagnosis
H. Hess and C. A. Meyer 2008Teeth conical; 3-4 arm spines, length up to two arm segments; dorsal arm plates triangular with convex distal edge, in contact only in proximal part of arms.
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 1992, Aberhan et al. 2004

Age range: base of the Middle Toarcian to the top of the Early/Lower Tithonian or 182.90000 to 145.06000 Ma

Collections (25 total)


Time interval Ma Country or state Original ID and collection number
Middle Toarcian182.9 - 180.4France (Poitou-Charentes) O. oertlii (31839)
Late/Upper Toarcian180.4 - 174.7Germany (Thüringen) O. oertlii (31988)
Early/Lower Aalenian174.7 - 170.9Germany (Bayern) O. oertlii (31989)
Middle Aalenian - Early/Lower Bajocian174.7 - 168.6Germany (Baden-Württemberg) O. oertlii (31990)
Late/Upper Bajocian168.6 - 168.2Switzerland O. bathonica (32036)
Late/Upper Bathonian168.2 - 165.3United Kingdom O. bathonica (59035)
Callovian165.3 - 161.5Germany (Brandenburg) O. oertlii (32016)
Early/Lower Callovian165.3 - 161.5Switzerland O. lithographica (61717)
Early/Lower Oxfordian161.5 - 154.8France O. oertlii (61718 61719)
Middle Oxfordian161.5 - 154.8Switzerland O. oertlii (58565 58568)
Late/Upper Oxfordian157.9 - 154.8Switzerland O. oertlii (58317 61723)
Late/Upper Oxfordian157.9 - 154.8France (Haut-Rhin) O. oertlii (31894)
Late/Upper Oxfordian157.9 - 154.8France O. oertlii (61724)
Late/Upper Kimmeridgian152.21 - 149.2France O. lithographica (58209 58657 58659)
Early/Lower Tithonian149.2 - 145.06Germany (Bayern) O. lithographica (31991)
Early/Lower Tithonian149.2 - 145.06Germany (Bavaria) O. lithographica (58605)
Middle Tithonian149.2 - 143.1Austria O. lithographica (31913 58299 58300 58301)