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Hemiasteridae

Echinoidea - Spatangoida - Hemiasteridae

Synonymy list
YearName and author
1917Hemiasteridae Clark
1938Hemiasteridae Grant and Hertlein p. 113
1966Hemiasteridae Fischer p. U557
1987Hemiasteridae McNamara p. 336
1991Hemiasteridae Smith p. 52
1993Hemiasteroidae Donovan p. 101
1995Hemiasteridae Smith p. 232
2003Hemiasteridae Berndt p. 84
2005Hemiasteridae Parma and Casadío p. 1080
2008Hemiasteridae Manso and Andrade p. 322
2010Hemiasteridae Kroh and Smith p. 173

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Echinozoa()
classEchinoidea()
RankNameAuthor
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
—Carinacea
—Irregularia()
—Atelostomata
orderSpatangoida
familyHemiasteridae
familyHemiasteridae

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.

Fm. Hemiasteridae Clark 1917
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G. †Cheopsia
G. †Eoagassizia Grant and Hertlein 1938
+
†Eoagassizia alta Grant and Hertlein 1938
G. Hemiaster Agassiz and Desor 1847 [heart urchin]
+
Subg. †Hemiaster (Gregoryaster) Lambert 1907
Subg. †Hemiaster (Hemiaster) Lambert and Thiéry 1924 [heart urchin]
+
Subg. Hemiaster (Holanthus) Lambert and Thiéry 1924
Subg. †Hemiaster (Integraster) Lambert and Thiéry 1924
Subg. †Hemiaster (Leymeriaster) Lambert and Thiéry 1924
Subg. †Hemiaster (Trachyaster) Pomel 1869
+
†Hemiaster (Trachyaster) decipiens Duncan and Sladen 1883
†Hemiaster (Trachyaster) herrarae Lambert and Sanchez Roig 1926
Invalid names: Hemiaster (Trachyaster) minutus Sanchez Roig 1949 [nomen nudum]
†Hemiaster aequisgranensis Schluter 1899
†Hemiaster amelianus Cooke 1953
†Hemiaster antillensis Cotteau 1881
†Hemiaster arcolensis Cooke 1953
†Hemiaster arcticus Shmidt 1976
†Hemiaster atavus Cotteau 1883
†Hemiaster beecheri Clark and Twitchell 1915
†Hemiaster bufo Brongniart 1822
†Hemiaster californicus Clark 1891
†Hemiaster calvini Clark 1893
†Hemiaster comanchei Clark and Twitchell 1915
†Hemiaster delawarensis Clark 1916
†Hemiaster dewalquei Cotteau 1881
†Hemiaster elegans Shumard 1853
†Hemiaster gonzalezmunozi Sanchez-Roig 1953
†Hemiaster humphreysanus Meek and Hayden 1856
†Hemiaster moscovensis Cooke 1959
†Hemiaster orbignyi Desor 1858
†Hemiaster parastatus Morton 1833
†Hemiaster paronai Checchia-Rispoli 1921
†Hemiaster proclivus Cotteau et al. 1878
†Hemiaster regulusanus d'Orbigny 1854
†Hemiaster sabinal Cooke 1953
†Hemiaster scutiger Sharpe 1849
†Hemiaster stella Morton 1830
+
Invalid names: Hemiaster (Integraster) garumnicus Lambert 1924 [synonym], Hemiaster garumnicus Lambert 1936 [synonym], Hemiaster hawkinsi Lambert 1933 [synonym], Hemiaster incrassatus Clark 1891 [synonym], Hemiaster madagascariensis Cottreau 1922 [synonym], Hemiaster punctatus dOrbigny 1856 [synonym], Hemiaster rutoti Lambert 1911 [synonym], Hemiaster tamulicus Kossmat 1897 [synonym], Trachyaster spissus Lambert 1924 [synonym]
†Hemiaster texanus Roemer 1849
+
Invalid names: Hemiaster americanus Giebel 1853 [synonym]
†Hemiaster ungula Morton 1833
†Hemiaster welleri Clark 1907
†Hemiaster wetherbyi de Loriol 1887
+
Invalid names: Hemiaster benhurensis Stephenson 1941 [synonym], Hemiaster bexari Clark and Twitchell 1915 [synonym], Hemiaster lacunosus Slocom 1909 [synonym]
†Hemiaster zululandensis Besairie and Lambert 1930
Invalid names: Hemiaster globulosus Sanchez Roig 1949 [nomen nudum], Hemiaster kuemmeli Clark 1907 [nomen dubium], Hemiaster sibiricus Shmidt 1976 [nomen nudum]
G. †Hypsopatagus Pomel 1869
G. †Mecaster Pomel 1883
+
†Hemiaster (Mecaster) syriacus Conrad in Lynch 1852
†Mecaster africanus Coquand 1862
†Mecaster aumalensis Coquand 1862
†Mecaster batnensis Coquand 1862
+
Invalid names: Hemiaster cedroensis Maury 1936 [synonym], Hemiaster delgadoi de Loriol 1888 [synonym], Hemiaster jacksoni Maury 1925 [synonym]
†Mecaster fourneli Agassiz and Dessor 1847
†Mecaster nicaisei Coquand 1862
†Mecaster orbignyanus Desor 1857
†Mecaster palpebratus Loriol 1888
†Mecaster pseudofourneli Peron and Gauthier 1878
†Mecaster semicavatus Peron and Gauthier 1880
†Mecaster toucasanus d'Orbigny 1854
†Mecaster verneuili Desor 1847
†Mecaster victoris Lambert 1932
G. †Periaster
G. †Psephoaster McNamara 1987
+
†Psephoaster apokryphos McNamara 1987
†Psephoaster klydonos McNamara 1987
†Psephoaster lissos McNamara 1987
G. †Tripylaster Mortensen 1917
+
†Tripylaster philippii Gray 1851
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: shallow infaunalo
Diet: deposit feedero
Diet 2: detritivoreo
Vision: limitedc
Dispersal: watero
Dispersal 2: planktonico
Created: 2004-02-28 12:18:10
Modified: 2009-10-08 16:32:56
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 Aptian to the top of the Early/Lower Pliocene or 122.46000 to 3.60000 Ma
Minimum age of oldest fossil (stem group age): 113.0 Ma

Collections (603 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Aptian125.0 - 113.0Antarctica Hemiasteridae indet. (64194)
Late/Upper Aptian122.46 - 113.0Egypt Hemiaster sp. (151613)
Albian113.0 - 100.5Madagascar (Mahajanga) Hemiaster zululandensis (86497)
Albian113.0 - 100.5Madagascar Hemiaster phrynus (98248) Hemiaster ricordeaui, Hemiaster frontacutus (98245) Hemiaster sp. (98264)
Albian113.0 - 100.5USA (New Mexico) Washitaster bravoensis (37561)
Albian113.0 - 100.5Greenland Hemiaster sp. (160920)
Albian113.0 - 100.5Mexico (Coahuila de Zaragoza) Hemiaster calvani (88629 88631 88634 88636 88679) Hemiaster calvani, Hemiaster bexari (88677) Hemiaster calvani, Hemiaster sp. (88630) Hemiaster calvani, Hemiaster whitei (88635) Hemiaster whitei (88637)
Albian113.0 - 100.5Antarctica Hemiaster sp., Hemiaster zululandensis (216880) Hemiaster zululandensis (216875 216876 216885 216886) Hemiasteridae indet. (216898) Hemiasteridae indet., Hemiaster zululandensis (216881 216887)
Early/Lower Albian112.03 - 109.0France Hemiaster minimus (56521 58123 58938)
Early/Lower Albian112.03 - 109.0USA (Texas) Hemiaster comanchei (203435)
Early/Lower Albian - Middle Albian112.03 - 105.3Switzerland Hemiaster minimus (58112)
Early/Lower Albian - Middle Albian112.03 - 105.3France Hemiaster minimus (56668 56845)
Early/Lower Albian - Late/Upper Albian112.03 - 99.6France Hemiaster minimus (57922 58861)
Middle Albian109.0 - 105.3France Hemiaster minimus (38036 56540 58422 58933)
Late/Upper Albian105.3 - 99.6Egypt Hemiaster gabrielis (140606 140609 140643) Hemiaster gabrielis, Hemiaster syriacus (140642) Mecaster aumalensis (191716)
Late/Upper Albian105.3 - 99.6Brazil (Sergipe) Hemiaster proclivus (87857)
Late/Upper Albian105.3 - 99.6Spain Hemiaster bufo (3824) Hemiaster minimus, Hemiaster bufo (3823) Hemiaster sp., Hemiaster bufo (3829)
Late/Upper Albian105.3 - 99.6USA (Texas) Hemiaster bexari (187292) Hemiaster whitei (123264) Washitaster longisulcus (58637)
Late/Upper Albian105.3 - 99.6France Hemiaster minimus (56523 56552 56669 56678 56848 58125 58359 58363 58431 58527)
Late/Upper Albian105.3 - 99.6Spain (Alicante) Hemiaster minimus (38035)