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Sismondia

Echinoidea - Clypeasteroida - Laganidae

Taxonomy
Sismondia was named by Desor (1858) [Sepkoski's age data: T Eo-l T Mi-m Sepkoski's reference number: 956].

It was assigned to Laganidae by Durham (1955), Durham (1966); to Fibulariidae by Clark and Twitchell (1915), Kew (1920), Nisiyama (1968); and to Clypeasteroida by Sepkoski (2002).

Species
S. arnoldi, S. coalingaensis, S. convexa, S. javana
Species lacking formal opinion data
S. antillarum, S. logotheti, S. logtheti, S. occitana, S. ocitana, S. ombonii, S. saemanni
Entered
by J. Sepkoski on 2003-01-23; modified by L. Villier on 2013-10-27

Synonymy list
YearName and author
1858Sismondia Desor p. 225
1915Sismondia Clark and Twitchell p. 121
1920Sismondia Kew p. 61
1955Sismondia Durham p. 141 figs. Fig. 31, b
1966Sismondia Durham p. U475
1968Sismondia Nisiyama p. 57
2002Sismondia Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Echinozoa()
classEchinoidea()
subclassEuechinoideaBronn 1860
RankNameAuthor
superorderAcroechinoidea()
—Carinacea
—Irregularia()
—Microstomata
—Neognathostomata
orderClypeasteroida
suborderScutellina()
infraorderLaganiformes
familyLaganidae()
genusSismondia

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. †Sismondia Desor 1858
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†Sismondia arnoldi Clark and Twitchell 1915
†Sismondia coalingaensis Clark and Twitchell 1915
†Sismondia convexa Nisiyama 1937
†Sismondia javana Nisiyama 1968
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: slow-movingo
Life habit: semi-infaunalo
Diet: detritivoreo
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-28 18:19:59
Modified: 2009-10-08 15:05:22
Source: o = order, c = class, p = phylum
References: Kiessling 2004, Aberhan 1992, Aberhan et al. 2004

Age range: base of the Lutetian to the top of the Late/Upper Pleistocene or 48.07000 to 0.01170 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Lutetian48.07 - 41.03Libya (Ajdabiya) S. saemanni (42129)
Lutetian48.07 - 41.03Egypt S. logtheti (41900)
Lutetian48.07 - 41.03Libya S. ocitana (42125)
Middle Eocene48.07 - 37.71Egypt (Quseir) S. logotheti, S. sp. (3300)
Priabonian37.71 - 33.9Romania (Cluj-Napoca) S. occitana (221117)
Priabonian37.71 - 33.9Germany (Bavaria) S. ombonii (10963)
Rupelian33.9 - 27.3Oman (Dhofar) S. javana (175334)
Late/Upper Oligocene27.3 - 23.04Antigua and Barbuda S. antillarum (80290)
Late/Upper Miocene - Early/Lower Pliocene11.63 - 3.6USA (California) Merriamaster coalingaensis (203539) S. arnoldi (203559)
Late/Upper Pleistocene0.129 - 0.0117USA (California) S. arnoldi (240621)