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Laganum

Echinoidea - Clypeasteroida - Laganidae

Taxonomy
Laganum was named by Link (1807) [Sepkoski's age data: T Eo-u R Sepkoski's reference number: 2]. It is extant.

It was assigned to Clypeasteroida by Sepkoski (2002); and to Laganidae by Clark and Twitchell (1915), Jackson (1937), Cooke (1942), Durham (1955), Durham (1966), Kosnik (2002), Smith (2009).

Synonymy list
YearName and author
1807Laganum Link p. 161
1915Laganum Clark and Twitchell p. 122
1937Laganum Jackson p. 233
1942Laganum Cooke p. 23
1955Laganum Durham p. 139 figs. Figs. 1, c; 2, c; 7, b, e; 12, b; 15, e; 31, f
1966Laganum Durham p. U472
2002Laganum Kosnik
2002Laganum Sepkoski
2009Laganum Smith

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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()
genusLaganum

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. Laganum Link 1807
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†Laganum depressum Agassiz 1841
†Laganum leptum Jackson 1937
Diagnosis
No diagnoses are available