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Triadocidaris

Echinoidea - Triadocidaridae

Taxonomy
Triadocidaris was named by Döderlein (1887) [Sepkoski's age data: Tr Ladi-u Sepkoski's reference number: 801]. It is the type genus of Triadocidaridae.

It was assigned to Miocidaridae by Fell (1966); to Cidaroida by Sepkoski (2002); and to Triadocidaridae by Smith (1994) and Jaselli and Pieroni (2023).

Synonymy list
YearName and author
1887Triadocidaris Döderlein p. 39
1966Triadocidaris Fell p. U321
1994Triadocidaris Smith p. 186
2002Triadocidaris Sepkoski
2023Triadocidaris Jaselli and Pieroni p. 278

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumEleutherozoa
—Echinozoa()
classEchinoidea()
subclassEuechinoideaBronn 1860
familyTriadocidaridae
genusTriadocidaris

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. †Triadocidaris Döderlein 1887
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†Triadocidaris giauensis Zardini 1973
†Triadocidaris immunita Bather 1909
†Triadocidaris persimilis Bather 1909
†Triadocidaris subsimilis Münster 1841
†Triadocidaris suessii Laube 1865
†Triadocidaris transversa von Meyer 1847
†Triadocidaris venusta Münster 1841
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Invalid names: Cidaris gerana Braun 1841 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: actively mobilec
Life habit: epifaunalc
Diet: grazerc
Diet 2: deposit feederc
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-28 12:05:24
Modified: 2010-02-12 04:00:29
Source: c = class, p = phylum
References: Kiessling 2004, Aberhan 1992

Age range: base of the Pelsonian to the top of the Triassic or 247.20000 to 201.40000 Ma

Collections (18 total)


Time interval Ma Country or state Original ID and collection number
Triassic251.902 - 201.4Hungary (Bakony) T. persimilis (56068)
Anisian247.2 - 242.0Poland Cidaris transversa (63538)
Anisian247.2 - 242.0Hungary (northeastern Hungary) T. hungarica, T. liagora (56801)
Illyrian247.2 - 242.0Italy T. sp. (230244 230245) T. sp., T. transversa (175098) T. transversa (175096)
Pelsonian - Illyrian247.2 - 242.0China (Guizhou) T. sp. (31618 31620 31621 31626)
Carnian237.0 - 228.0Italy (Venezia) T. a, T. b, Cidaris gerana, T. subsimilis, T. suessii, T. venusta, T. giauensis (56706)
Carnian237.0 - 228.0Hungary (Bakony) T. praeernobilis, T. immunita (55405)
Julian235.0 - 232.0Slovenia T. venusta (195833)
Julian235.0 - 232.0Italy Cidaris subsimilis, Cidaris venusta, Cidaris gerana (137429)
Norian228.0 - 208.5East Timor T. sp. (21182)
Norian - Rhaetian228.0 - 201.3USA (Idaho) T. sp. (99505)
Rhaetian208.5 - 201.3Canada (British Columbia) T. sp. (45379)