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Hemicidaris

Echinoidea - Hemicidaridae

Taxonomy
Hemicidaris was named by Agassiz (1838) [Sepkoski's age data: J Plie-u K Apti Sepkoski's reference number: 956].

It was assigned to Hemicidaridae by Clark and Twitchell (1915), Fell and Pawson (1966); and to Hemicidaroida by Sepkoski (2002).

Synonymy list
YearName and author
1838Hemicidaris Agassiz p. 3
1915Hemicidaris Clark and Twitchell p. 31
1966Hemicidaris Fell and Pawson p. U381
2002Hemicidaris Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
RankNameAuthor
—Echinozoa()
classEchinoidea()
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
—Carinacea
familyHemicidaridae
genusHemicidaris

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. †Hemicidaris Agassiz 1838
show all | hide all
†Hemicidaris abyssinica Blanford 1870
†Hemicidaris alpina Agassiz 1840
†Hemicidaris confluens M'Coy 1848
†Hemicidaris granulosa Wright 1851
†Hemicidaris icaunensis Cotteau 1849
†Hemicidaris intermedia Fleming 1828
†Hemicidaris koechlini Cotteau 1862
†Hemicidaris zignoi Cotteau 1867
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 Bajocian to the top of the Aptian or 170.30000 to 113.00000 Ma

Collections (49 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Bajocian171.6 - 168.4France H. sp. (21269)
Bajocian170.3 - 168.3USA (California) H. intumescens (156330)
Bajocian170.3 - 168.3Morocco H. koechlini (68165)
Bajocian - Bathonian170.3 - 166.1Morocco H. koechlini (204643)
Bathonian - Callovian168.3 - 163.5Somalia H. gregoryi (100385) H. macfadyeni (100366)
Callovian166.1 - 163.5Yemen (Wadi Hajar) H. gregoryi (2566)
Oxfordian163.5 - 157.3Ethiopia H. abyssinica (94588)
Oxfordian163.5 - 157.3Saudi Arabia H. sp. (46304 46305)
Oxfordian - Kimmeridgian163.5 - 152.1Eritrea H. abyssinica (94569)
Middle Oxfordian161.2 - 155.7United Kingdom (Yorkshire) H. sp. (22785)
Middle Oxfordian161.2 - 155.7United Kingdom H. intermedia (86020)
Middle Oxfordian161.2 - 155.7France (Lorraine) H. crenularis (21273)
Middle Oxfordian161.2 - 155.7France H. sp. (11085) H. sp., H. crenularis (11084)
Late/Upper Oxfordian - Early/Lower Kimmeridgian161.2 - 150.8France (Normandy) H. agassizi (23539)
Kimmeridgian157.3 - 152.1Poland (Ozarow) H. intermedia (157221)
Kimmeridgian157.3 - 152.1United Kingdom (England) H. florigemma (1612)
Kimmeridgian157.3 - 152.1Poland (Malogoszcz) H. intermedia (157213)
Kimmeridgian157.3 - 152.1Poland (Annopol-on-Vistula) H. intermedia (157222)
Kimmeridgian157.3 - 152.1Poland (Niziny) H. hoffmanni, H. mitra (157215)
Kimmeridgian157.3 - 152.1Poland (Sobkow) H. intermedia (157214)
Kimmeridgian157.3 - 152.1Poland (Sulejow) H. gresslyi, H. intermedia (157209)
Kimmeridgian157.3 - 152.1Poland (Gruszczyn) H. intermedia (157210)
Kimmeridgian157.3 - 152.1Poland (Goluchow) H. intermedia (157218)
Kimmeridgian157.3 - 152.1Poland (Karszncie) H. intermedia (157212)
Kimmeridgian157.3 - 152.1Poland (Czarnoglowy) H. hoffmanni, H. intermedia (157224)
Kimmeridgian157.3 - 152.1Poland (Wierzbica) H. intermedia (157220)
Kimmeridgian157.3 - 152.1Poland (Lesnica) H. intermedia (157211)
Kimmeridgian157.3 - 152.1Poland (Korytnica) H. intermedia (157217)
Early/Lower Kimmeridgian155.7 - 150.8Germany (Lower Saxony) H. sp. (24127)
Early/Lower Tithonian150.8 - 145.0France (Provence-Alpes-Côte d'Azur) H. crenularis (35262)
Early/Lower Tithonian150.8 - 145.0Germany (Baden-Wurttemberg) H. crenularis, H. serialis (23887)
Early/Lower Tithonian - Middle Tithonian150.8 - 145.0Poland (Silesian Voivodeship) H. zignoi (239383)
Early/Lower Valanginian140.2 - 136.4Switzerland H. acinum (2225)
Valanginian139.8 - 132.9France H. saleniformis (2222)
Hauterivian132.9 - 129.4Switzerland H. clunifera (2255 2256)
Aptian125.0 - 113.0Switzerland H. clunifera (2188 2189 2192 2193 2226 2227 2228 2229)
Aptian125.0 - 113.0France H. clunifera (2186 2190)