Belongs within: Cidaroida.
The Cidarinae are a group of cidaroid urchins known from the Upper Triassic to the present (Fell 1966).
Characters (Fell 1966): Corona without sutural pits or grooves. Primary tubercles crenulate or noncrenulate; but if crenulate, primary spines short and thick. Pores horizontal, nonconjugate. Globiferous and tridentate pedicellariae.
<==Cidarinae [Cidarina, Stereocidaridae, Stereocidarinae]F66
|--Alpicidaris Lambert 1910F66
| `--*A. cureti Lambert 1910F66
|--Calocidaris Clark 1907F66
| `--*C. micans (Mortensen 1903) [=Dorocidaris micans]F66
|--Centrocidaris Agassiz 1904F66
| `--*C. doederleini (Agassiz 1898) [=Goniocidaris doederleini]F66
|--Hesperocidaris Mortensen 1928F66
| `--*H. panamensis (Agassiz 1898) [=Dorocidaris panamensis]F66
|--Kionocidaris Mortensen 1932F66
| `--*K. striata Mortensen 1932F66
|--Lissocidaris Mortensen 1939F66
| `--*L. fusca Mortensen 1939F66
|--Paracidaris Pomel 1883F66
| `--*P. florigemma (Phillips 1829) [=Cidarites florigemma]F66
|--Tretocidaris Mortensen 1903F66
| `--*T. bartletti (Agassiz 1880) [=Dorocidaris bartletti]F66
|--Stylocidaris Mortensen 1909F66
| |--*S. affinis (Philippi 1845) [=Cidaris affinis]F66
| `--S. bracteata (Agassiz 1879)MG-H11
|--Cidaris Leske 1778 [incl. Dorocidaris Agassiz 1869, Orthocidaris Agassiz 1863 non Cotteau 1862]F66
| |--*C. cidaris (Linnaeus 1758)F66 (see below for synonymy)
| |--C. baculosaH04
| `--C. tribuloidesH04
|--Plegiocidaris Pomel 1883F66
| |--*P. coronata (von Schlotheim 1820) [=Echinus coronatus]F66
| |--P. cervicalisF66
| `--P. florigemmaMD66
|--Balanocidaris Lambert 1910F66
| |--*B. glandifera (Münster 1843) [=Cidaris glandifera]F66
| |--B. californicaF66
| |--B. pleracanthaF66
| `--B. roysiiF66
|--Cyathocidaris Lambert 1910F66
| |--*C. cyathifera [=Cidaris cyathifera]F66
| |--C. crateriformisF66
| |--C. erebusF66
| `--C. nordenskioldiF66
|--Eucidaris Pomel 1883 [=Gymnocidaris Agassiz 1863 non Agassiz 1838]F66
| |--*E. metularia (Lamarck 1816) [=Cidarites metularia, *Gymnocidaris metularia]F66
| |--E. coralloidesF66
| |--E. strobilataF66
| |--E. thourasii (Valenciennes 1846)R72
| `--E. tribuloidesHR95
|--Compsocidaris Ikeda 1939F66
| `--*C. pyrsacantha Ikeda 1939F66
|--Sinaecidaris Fourtau 1921F66
| `--*S. gauthieri Fourtau 1921F66
`--Temnocidaris Cotteau 1863F66
|--*T. (Temnocidaris) magnifica Cotteau 1863F66
`--T. (Stereocidaris Pomel 1883)MM22 (see below for synonymy)
|--T. (S.) sceptrifera (Mantell 1822) (see below for synonymy)MM22
|--‘Stereocidaris’ australiae (Duncan 1877)MM22
|--‘Stereocidaris’ canaliculataD05
|--T. (S.) cudmorei Philip 1964 (see below for synonymy)MM22
|--T. (S.) hispidaMM22
|--‘Stereocidaris’ hudspethensisF66
|--‘Stereocidaris’ hutchinsoniF66
|--‘Stereocidaris’ incertaD05
|--‘Stereocidaris’ indicaD05
|--T. (S.) inermis (Philip 1964) [=Stereocidaris inermis]MM22
|--‘Stereocidaris’ ingolfiana Mortensen 1903D05
|--T. (S.) intricata (Philip 1964) [=Stereocidaris intricata]MM22
|--‘Stereocidaris’ japonica (Döderlein 1885)U67, F66 [=Dorocidaris japonicaF66, *Phalacrocidaris japonicaF66]
|--‘Cidaris’ malum [=*Typocidaris malum]F66
|--‘Stereocidaris’ merceyi [=Cidaris merceyi]F66
|--‘Stereocidaris’ mortenseniD05
|--‘Stereocidaris’ nutrixD05
|--‘Stereocidaris’ sceptriferoides (Döderlein 1887)MG-H11
`--‘Cidaris’ tenuispinus Yoshiwara 1898 [=*Anomocidaris tenuispinus]F66
*Cidaris cidaris (Linnaeus 1758)F66 [=Echinus cidarisF66; incl. Dorocidaris abyssicola Agassiz 1869D05, Cidarites hystrix Lamarck 1816D05, Cidaris hystrixBK77, Cidaris papillata Leske 1878F66, *Dorocidaris papillataF66, BK77, *Orthocidaris papillataF66]
Temnocidaris (Stereocidaris Pomel 1883)MM22 [incl. Anomocidaris Agassiz & Clark 1907F66, Phalacrocidaris Lambert 1902F66, Typocidaris Pomel 1883F66]
Temnocidaris (Stereocidaris) cudmorei Philip 1964 [=Goniocidaris cudmorei; incl. Stereocidaris fosteri Philip 1964, T. (S.) fosteri]MM22
Temnocidaris (Stereocidaris) sceptrifera (Mantell 1822) [=Cidaris sceptrifera; incl. C. cretosa Mantell 1835, *Stereocidaris cretosa]MM22
*Type species of generic name indicated
References
[BK77] Barel, C. D. N., & P. G. N. Kramers. 1977. A survey of the echinoderm associates of the north-east Atlantic area. Zoologische Verhandelingen 156: 1–159.
[D05] Döderlein, L. 1905. Arktische Seeigel. In: Römer, F., & F. Schaudinn (eds) Fauna Arctica. Eine Zusammenstellun der arktischen Tierformen, mit besonder Berücksichtigung des Spitzbergen-Gebietes auf Grund der Ergebnisse der Deutschen Expedition in das Nördliche Eismeer im Jahre 1898 vol. 4 pp. 373–394. Gustav Fischer: Jena.
[F66] Fell, H. B. 1966. Cidaroids. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt U. Echinodermata 3 vol. 1 pp. U312–U339. The Geological Society of America, Inc., and The University of Kansas Press.
[H04] Haeckel, E. 1899–1904. Kunstformen der Natur. Bibliographisches Institut: Leipzig und Wien.
[HR95] Haya, D., & M. B. Régis. 1995. Comportement trophique de Paracentrotus lividus (Lam.) (Echinodermata: Echinoidea) soumis à six régimes alimentaires dans des conditions expérimentales. Mésogée 54: 35–42.
[MG-H11] McEnnulty, F. R., K. L. Gowlett-Holmes, A. Williams, F. Althaus, J. Fromont, G. C. B. Poore, T. D. O’Hara, L. Marsh, P. Kott, S. Slack-Smith, P. Alderslade & M. V. Kitahara. 2011. The deepwater megabenthic invertebrates on the western continental margin of Australia (100–1100 m depths): composition, distribution and novelty. Records of the Western Australian Museum Supplement 80: 1–191.
[MM22] McNamara, K. J., & S. Martin. 2022. Middle Eocene echinoids from the western Eucla Basin, Western Australia. Records of the Western Australian Museum 37: 31–56.
[MD66] Melville, R. V., & J. W. Durham. 1966. Echinoids—skeletal morphology. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt U. Echinodermata 3 vol. 2 pp. U220–U251. The Geological Society of America, Inc., and The University of Kansas Press.
[R72] Rowland, R. W. 1972. Paleontology and paleoecology of the San Diego Formation in northwestern Baja California. Transactions of the San Diego Society of Natural History 17 (3): 25–32.
[U67] Ubaghs, G. 1967. General characters of Echinodermata. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt. S. Echinodermata 1. General characters. Homalozoa—Crinozoa (except Crinoidea) vol. 1 pp. S3–S60. The Geological Society of America, Inc., and The University of Kansas: Lawrence (Kansas).