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Protothyraster priscus

Asteroidea - Zorocallida

Taxonomy
Rhopia prisca was named by de Loriol (1874). Its type specimen is Muséum d'Histoire Naturelle de Genève A VII-84-28131 and is a 3D body fossil. It is the type species of Protothyraster.

It was recombined as Protothyraster priscus by Hess (1970), Hess (1974), Gale (2011) and Fau and Villier (2023).

Synonymy list
YearName and author
1874Rhopia prisca de Loriol p. 18 figs. pl. 2 fig. 2
1970Protothyraster priscus Hess p. 4 fig. 4
1974Protothyraster priscus Hess p. 658
2011Protothyraster priscus Gale p. 60
2023Protothyraster priscus Fau and Villier p. 8 figs. fig. 4

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Asterozoa()
RankNameAuthor
classAsteroidea
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderForcipulatacea
orderZorocallida
genusProtothyraster
speciespriscus()

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.

†Protothyraster priscus de Loriol 1874
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Diagnosis
ReferenceDiagnosis
M. Fau and L. Villier 2023Sea star with five narrow arms and a relatively small disc. Disc composed of a primary central plate covered with granules and a primary circle of five primary interradials and five primary radials slightly set distally. Arms with one central and regular row of carinal plates. Carinals large, overlapping a row of abactinal plates, on both sides. Two marginal plate series present. A few actinals present proximally. Adambulacrals and ambulacrals weakly compressed. Adambulacrals bearing three spines. Adoral carina composed of the single, most proximal adambulacral of each row.
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: slow-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-28 15:35:10
Modified: 2010-02-09 06:02:08
Source: c = class, p = phylum
References: Aberhan 1992, Aberhan et al. 2004

Age range: Late/Upper Hauterivian or 136.40000 to 130.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Hauterivian136.4 - 130.0Switzerland (Neuchatel) Protothyraster priscus (31986)