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Rachiosoma geysi

Echinoidea - Phymosomatidae

Taxonomy

No taxonomic data are available

Sister species
R. corollare (syn. Echinites saxatilis, Cidarites granulosum), R. hondoensis, R. mortoni
Sister species lacking formal opinion data

Synonymy list
No taxonomic opinions are available

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

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.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: base of the Early/Lower Cenomanian to the top of the Late/Upper Turonian or 100.50000 to 89.80000 Ma

Collections (10 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Cenomanian - Middle Cenomanian100.5 - 93.9Egypt Rachiosoma geysi (150675)
Late/Upper Turonian93.9 - 89.8Egypt Rachiosoma geysi (114823 140592 140593 140595 150674)
Middle Turonian93.9 - 89.8Egypt Rachiosoma geysi (114818 114820 140319 140647)