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Rachiosoma

Echinoidea - Phymosomatidae

Taxonomy
Rachiosoma was named by Pomel (1883) [Sepkoski's age data: K Ceno T Dani Sepkoski's reference number: 577,956].

It was assigned to Phymosomatidae by Fell and Pawson (1966) and Geys and Jagt (1986); and to Phymosomatoida by Sepkoski (2002).

Synonyms
Synonymy list
YearName and author
1883Rachiosoma Pomel p. 91
1946Pomelechinus Checchia-Rispoli
1966Rachiosoma Fell and Pawson p. U402
1986Rachiosoma Geys and Jagt p. 99
2002Rachiosoma Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
Echinozoa()
RankNameAuthor
classEchinoidea()
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
Carinacea
Calycina(Gregory 1900)
suborderPhymosomatoida()
familyPhymosomatidae
genusRachiosoma

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. †Rachiosoma Pomel 1883
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Rachiosoma corollare Leske 1778
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Invalid names: Cidarites granulosum Goldfuss 1826 [synonym], Echinites saxatilis Parkinson 1811 [synonym]
Rachiosoma hondoensis Cooke 1953
Rachiosoma mortoni de Loriol 1887
Invalid names: Pomelechinus Checchia-Rispoli 1946 [objective synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitesubo
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: slow-movingsubo
Life habit: low-level epifaunalsubo
Diet: omnivoresubo
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-29 10:30:22
Modified: 2009-12-13 03:47:39
Source: subo = suborder, c = class, p = phylum
References: Aberhan 1992, Aberhan et al. 2004, Kiessling 2004

Age range: base of the Early/Lower Cenomanian to the top of the Early/Lower Maastrichtian or 99.60000 to 66.00000 Ma

Collections (32 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Cenomanian - Middle Cenomanian99.6 - 93.5Egypt R. irregulare, R. geysi (150675)
Late/Upper Turonian93.5 - 89.3Israel R. sp. (69832)
Late/Upper Turonian93.5 - 89.3Egypt R. geysi (114823 140592 140593 140595 150674) R. irregulare (114802)
Middle Turonian93.5 - 89.3Egypt R. geysi (114818 114820 140319 140647) R. irregulare (140320)
Middle Turonian - Late/Upper Turonian93.5 - 89.3Egypt R. irregulare (114801)
Late/Upper Campanian83.5 - 70.6Belgium Phymosoma granulosum (3910) R. corollare (196851)
Late/Upper Campanian83.5 - 70.6Belgium (Liege) Phymosoma granulosum (32147 32150)
Late/Upper Campanian83.5 - 70.6Germany Cyphosoma corollare (221859)
Late/Upper Campanian83.5 - 70.6Belgium (Hainaut) Phymosoma granulosum (3917 3918)
Late/Upper Campanian83.5 - 70.6France (Landes) R. corollare (213915)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0Belgium (Brabant) Phymosoma granulosum (3912)
Maastrichtian72.1 - 66.0Spain (Santander) Phymosoma granulosum (157004)
Maastrichtian72.1 - 66.0USA (Mississippi) Cyphosoma mortoni (123370)
Early/Lower Maastrichtian70.6 - 66.0Belgium (Liege) Phymosoma granulosum (32148)
Early/Lower Maastrichtian70.6 - 66.0Germany (Mecklenburg-Vorpommern) R. granulosa (32022)
Early/Lower Maastrichtian70.6 - 66.0USA (Alabama) R. mortoni (78103)
Early/Lower Maastrichtian70.6 - 66.0Germany Cyphosoma corollare (213668)
Late/Upper Maastrichtian70.6 - 66.0USA (Texas) R. hondoensis (4536)
Late/Upper Maastrichtian70.6 - 66.0Kazakhstan Phymosoma granulosum (48022)
Late/Upper Maastrichtian70.6 - 66.0USA (Mississippi) R. mortoni (4167)