Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Hemicidaroida

Echinoidea - Hemicidaroida

Taxonomy
Hemicidarina was named by Beurlen (1937).

It was reranked as the order Hemicidaroida by Durham and Melville (1957), Fell and Pawson (1966), Smith (1991) and Sepkoski (2002); it was reranked as the order Hemicidaroidea by Berndt (2003).

It was assigned to Echinacea by Durham and Melville (1957) and Fell and Pawson (1966); to Stirodonta by Smith (1991); and to Echinoidea by Sepkoski (2002) and Berndt (2003).

Synonymy list
YearName and author
1957Hemicidaroida Durham and Melville p. 254
1966Hemicidaroida Fell and Pawson p. U381
1991Hemicidaroida Smith p. 22
2002Hemicidaroida Sepkoski
2003Hemicidaroidea Berndt p. 78

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
RankNameAuthor
—Echinozoa()
classEchinoidea()
subclassEuechinoideaBronn 1860
—Echinacea()
superorderStirodontaJackson 1912
orderHemicidaroida()
orderHemicidaroida()

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.

Or. †Hemicidaroida Beurlen 1937
show all | hide all
G. †Allomma
G. †Micropedina Cotteau 1866
hide
†Micropedina gongilensis Brighton 1925
†Micropedina olisiponensis Forbes in Sharpe 1850
hide
Invalid names: Codiopsis cotteaui Coquand 1862 [synonym], Micropedina bipatellis Gregory 1906 [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
Vision: limitedc
Dispersal: watero
Dispersal 2: planktonico
Created: 2004-02-29 10:13:12
Modified: 2009-12-13 03:44:23
Source: o = order, c = class, p = phylum
References: Kiessling 2004, Aberhan et al. 2004, Aberhan 1992

Age range: base of the Barremian to the top of the Early/Lower Turonian or 129.40000 to 89.30000 Ma

Collections (32 total)


Time interval Ma Country or state Original ID and collection number
Barremian129.4 - 125.0Yemen (Wadi Hajar) Allomma sp. (2576)
Aptian125.0 - 113.0Egypt Trochodiadema libanoticum (63979)
Cenomanian100.5 - 93.9United Arab Emirates Trochodiadema libanoticum, Trochodiadema sp. (3792)
Cenomanian100.5 - 93.9Jordan Micropedina olisiponensis (96247 96249)
Cenomanian100.5 - 93.9Saudi Arabia Micropedina olisiponensis (195497 195501)
Cenomanian100.5 - 93.9Bolivia Micropedina sp. (229873)
Early/Lower Cenomanian99.6 - 93.5France Allomma rhodani (59810)
Early/Lower Cenomanian99.6 - 93.5United Kingdom Allomma rhodani (59688 59707 59708)
Early/Lower Cenomanian - Middle Cenomanian99.6 - 93.5Egypt Micropedina olisiponensis (150675)
Late/Upper Cenomanian99.6 - 93.5Nigeria Micropedina olisiponensis (4048 4055 4059 210161)
Late/Upper Cenomanian99.6 - 93.5USSR Micropedina olisiponensis (3796)
Late/Upper Cenomanian99.6 - 93.5Brazil Micropedina olisiponensis (141007 141027 141028)
Late/Upper Cenomanian99.6 - 93.5Egypt Micropedina olisiponensis (114798 114813 114896 140242)
Late/Upper Cenomanian99.6 - 93.5Bolivia Micropedina sp. (229871)
Middle Cenomanian - Late/Upper Cenomanian99.6 - 93.5Brazil Micropedina olisiponensis (141009)
Late/Upper Cenomanian - Early/Lower Turonian99.6 - 89.3Nigeria Micropedina olisiponensis (83019)
Early/Lower Turonian93.5 - 89.3Tunisia Hemicidaroida indet. (88853)
Early/Lower Turonian93.5 - 89.3Nigeria Micropedina olisiponensis (83021 83025) Micropedina olisiponensis, Micropedina gongilensis (117606)