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Agassizia

Echinoidea - Spatangoida - Schizasteridae

Taxonomy
Agassizia was named by Valenciennes (1846) [Sepkoski's age data: T Eo-m-l R Sepkoski's reference number: 343]. It is extant.

It was assigned to Spatangidae by Clark and Twitchell (1915); to Hemiasteridae by Jackson (1937) and Grant and Hertlein (1938); to Schizasteridae by Cooke (1942), Cooke (1959), Fischer (1966), Kier (1980), Kier (1984) and Kier (1997); and to Spatangoida by Sepkoski (2002).

Synonyms
Synonymy list
YearName and author
1846Agassizia Valenciennes figs. pl. 1, figs. 2-2f
1915Agassizia Clark and Twitchell p. 171
1937Agassizia Jackson p. 233
1938Agassizia Grant and Hertlein p. 113
1942Agassizia Cooke p. 44
1949Agassizia lamberti Palmer
1949Agassizia flexuosa Sanchez Roig
1959Agassizia Cooke p. 74
1966Agassizia Fischer p. U571
1980Agassizia Kier p. 43
1984Agassizia Kier p. 59
1997Agassizia Kier p. 10
2002Agassizia Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Echinozoa()
classEchinoidea()
RankNameAuthor
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
—Carinacea
—Irregularia()
—Atelostomata
orderSpatangoida
suborderPaleopneustina
familySchizasteridae()
genusAgassiziaValenciennes 1846

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. Agassizia Valenciennes 1846
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†Agassizia alveari Sanchez Roig 1949
†Agassizia caobaensis Sanchez-Roig 1953
†Agassizia clevei Cotteau 1875
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Invalid names: Agassizia avilensis Sanchez Roig 1949 [synonym]
†Agassizia conradi Bouvé 1851
†Agassizia floridiana de Loriol 1887
†Agassizia inflata Jackson 1922
†Agassizia persica Clegg 1933
†Agassizia pinarensis Sanchez Roig 1952
†Agassizia porifera Ravenel 1848
†Agassizia rimulata Ravenel 1848
†Agassizia scrobiculata Valenciennes 1846
G. †Anisaster Pomel 1886
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Invalid names: Agassizia flexuosa Sanchez Roig 1949 [nomen dubium], Agassizia lamberti Palmer 1949 [nomen dubium]
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 Early/Lower Pleistocene or 47.80000 to 0.78100 Ma

Collections (41 total)


Time interval Ma Country or state Original ID and collection number
Lutetian47.8 - 41.3USA (South Carolina) A. inflata (5462)
Middle Eocene47.8 - 37.71Cuba A. caobaensis (155852)
Bartonian41.3 - 38.0USA (North Carolina) A. wilmingtonensis (5459) A. wilmingtonica (5366 5367 5383 5436 5448)
Bartonian41.3 - 38.0USA (South Carolina) A. inflata (5473) A. wilmingtonica (5354)
Bartonian41.3 - 38.0USA (Florida) A. clevei (49882)
Bartonian41.3 - 38.0Egypt Anisaster gibberulus (41918)
Priabonian38.0 - 33.9USA (Florida) A. floridana (3570) A. floridana, A. sp. (61109)
Late/Upper Eocene37.2 - 33.9USA (Georgia) A. conradi (57927)
Late/Upper Eocene37.2 - 33.9USA (Florida) A. floridana (61114) A. sp. (34992)
Early/Lower Oligocene33.9 - 28.4USA (Florida) A. sp. (35013)
Early/Lower Oligocene33.9 - 28.4Jamaica A. sp. (7214 7215)
Rupelian33.9 - 28.1USA (Florida) A. mossomi (35014 60665 155936)
Rupelian33.9 - 28.1USA (Georgia) A. mossoni (204652)
Oligocene33.9 - 23.03Mexico (Tamaulipas) A. clevei (204615)
Arikareean29.5 - 18.5USA (Florida) A. mossomi (17476)
Chattian28.1 - 23.03USA (Mississippi) A. mossomi (204653)
Chattian28.1 - 23.03USA (Texas) A. mossomi (69932)
Chattian28.1 - 23.03USA (North Carolina) A. mossomi (71650 151325) A. sp. (86499)
Chattian - Serravallian28.1 - 11.62USA (Florida) A. sp. (35020)
Early/Lower Miocene23.03 - 15.97Brazil (Para) A. eugeniae (112590)
Miocene23.03 - 5.333USA (South Carolina) A. porifera (203560)
Burdigalian20.44 - 15.97Qatar A. persica (209119)
Early/Lower Pliocene5.333 - 3.6USA (Florida) A. porifera (35026)
Pliocene5.333 - 2.588Mexico (Baja California) A. scrobiciilata (96587)
Pliocene5.333 - 2.588Mexico (Baja California Sur) A. scrobiculata (203580)
Piacenzian - Calabrian3.6 - 0.774USA (North Carolina) A. scrobiculata (61919)
Early/Lower Pleistocene2.588 - 0.781USA (Florida) A. porifera (35025)
Early/Lower Pleistocene2.588 - 0.781USA (South Carolina) A. porifera (92411)