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Phalacrocidaris

Echinoidea - Cidaroida - Cidaridae

Taxonomy
Phalacrocidaris was named by Lambert (1902) [Sepkoski's age data: ].

It was reranked as Stereocidaris (Phalacrocidaris) by Nisiyama (1966).

It was assigned to Stereocidaris by Nisiyama (1966); to Cidaridae by Smith (1991); to Cidaroida by Sepkoski (2002); and to Stereocidarinae by Smith (2009).

Synonyms
  • Anomocidaris was named by Agassiz and Clark (1907). It is extant.

    It was synonymized subjectively with Phalacrocidaris by Smith (2009).
Synonymy list
YearName and author
1902Phalacrocidaris Lambert p. 26
1907Anomocidaris Agassiz and Clark p. 30
1966Stereocidaris (Phalacrocidaris) Nisiyama p. 160
1991Phalacrocidaris Smith p. 16
2002Phalacrocidaris Sepkoski
2009Phalacrocidaris Smith

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Echinozoa()
RankNameAuthor
classEchinoidea()
subclassCidaroidea(Claus 1880)
orderCidaroida()
superfamilyCidarideaGray 1825
familyCidaridae
subfamilyStereocidarinae()
genusPhalacrocidarisLambert 1902

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. †Phalacrocidaris Lambert 1902
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Invalid names: Rhabdocidaris brasiliensis Maury 1936 [synonym], Rhabdocidaris capelloi de Loriol 1887 [synonym]
Phalacrocidaris japonica Doderlein 1885
Invalid names: Anomocidaris Agassiz and Clark 1907 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calciteo
Ontogeny: accretion, addition of partsp
Environment: marineo
Locomotion: slow-movingo
Life habit: low-level epifaunalo
Diet: grazero
Diet 2: omnivoreo
Vision: limitedc
Dispersal: watero
Dispersal 2: planktonico
Created: 2004-02-28 12:08:25
Modified: 2009-12-13 03:42:21
Source: o = order, c = class, p = phylum
References: Kiessling 2004, Aberhan 1992

Age range

Maximum range based only on fossils: base of the Late/Upper Albian to the top of the Pleistocene or 106.30000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 100.5 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Albian106.3 - 100.5Brazil (Sergipe) Cidaris branneri (87857)
Late/Upper Albian106.3 - 100.5Brazil P. branneri (126861) Rhabdocidaris brasiliensis (195791)
Pleistocene2.58 - 0.0117Japan (Kanagawa) Stereocidaris japonica (204373)