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Hemipatagus argutus

Echinoidea - Spatangoida - Loveniidae

Taxonomy
Hemipatagus argutus was named by Clark and Twitchell (1915). Its type specimen is USNM 141107, a test, and it is a 3D body fossil.

It was recombined as Maretia arguta by Cooke (1959).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1915Hemipatagus argutus Clark and Twitchell p. 150 figs. pl. 69, figs. 1a-d
1942Hemipatagus argutus Cooke p. 52
1959Maretia arguta Cooke p. 81
2007Hemipatagus argutus Kroh p. 180

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
Echinozoa()
classEchinoidea()
subclassEuechinoideaBronn 1860
RankNameAuthor
superorderAcroechinoidea()
Carinacea
Irregularia()
Atelostomata
orderSpatangoida
suborderBrissidina
superfamilySpatangidea
familyLoveniidae
genusHemipatagusDesor 1858
speciesargutus

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.

Hemipatagus argutus Clark and Twitchell 1915
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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: Aberhan 1992, Kiessling 2004

Age range: base of the Lutetian to the top of the Late/Upper Eocene or 47.80000 to 33.90000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Lutetian47.8 - 41.3USA (Mississippi) Maretia arguta (99668)
Bartonian41.3 - 38.0USA (Mississippi) Maretia arguta (100142 101182)
Late/Upper Eocene37.2 - 33.9USA (Mississippi) Hemipatagus argutus (142843)