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Brisaster maximus

Echinoidea - Spatangoida - Schizasteridae

Taxonomy
Brisaster maximus was named by Clark (1937). Its type specimen is MCZ 3830, a test, and it is a 3D body fossil. Its type locality is C. H. Bonham farm, which is in a Chattian marine horizon in Oregon.

Synonymy list
YearName and author
1937Brisaster maximus Clark p. 368 figs. pl. 24, fig. 9
1938Brisaster maximus Grant and Hertlein p. 122
1942Brisaster maximus Weaver p. 11

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
Echinozoa()
classEchinoidea()
subclassEuechinoideaBronn 1860
RankNameAuthor
superorderAcroechinoidea()
Carinacea
Irregularia()
Atelostomata
orderSpatangoida
suborderPaleopneustina
familySchizasteridae()
genusBrisasterGray 1855
speciesmaximus

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.

Brisaster maximus Clark 1937
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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: Kiessling 2004, Aberhan 1992

Age range: Chattian or 28.10000 to 23.03000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Oligocene33.9 - 23.03USA (Washington) Brisaster maximus (139444)
Chattian28.1 - 23.03USA (Oregon) Brisaster maximus (type locality: 203135)