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Costatheca

Xiphosura - Sessilia - Scalpellidae

Taxonomy
Costatheca was named by Rozanov et al. (1969) [Missarzhevsky in Rozanov et al. 1969; Sepkoski's age data: Cm Atda-u Sepkoski's reference number: 268]. Its type is Quadrotheca clinisepta.

It was assigned to Circothecida by Sepkoski (2002).

Synonymy list
YearName and author
1969Costatheca Rozanov et al. pp. 146-147
2002Costatheca Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
subfamilyStramentinaeWithers 1920
Phosphatothoracica
Calamida
familyScalpellidaePilsbry 1907
familyCalanticidaeZevina 1978
suborderLepadomorphaGruvel 1905
Unilatera
familyNeolepadidae(Yamaguchi et al. 2004)
familyBrachylepadidaeWoodward 1901
orderSessiliaLamarck 1818
PoecilophysideaPepato et al. 2010
orderAcariformes(Zakhvatkin 1952)
subphylumChelicerataHeymons 1901
EuchelicerataWeygoldt and Paulus 1979
Prosomapoda
classXiphosura()
orderXiphosuridaLatreille 1802
Planaterga
Dekatriata
SclerophorataKamenz et al. 2011
classArachnidaLamarck 1801
orderParasitiformes(Reuter 1909)
suborderMesostigmataCanestrini 1891
suborderSarcoptiformesReuter 1909
infraorderOribatidaDugès 1834
ParhyposomataGrandjean 1969
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
RankNameAuthor
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Saurischia()
classGastropodaCuvier 1797
Theropoda()
Neotheropoda
AverostraPaul 2002
Tetanurae
orderAvetheropoda
suborderCoelurosauria
Maniraptora
Paraves
classAves
PygostyliaChiappe 2002
Ornithothoraces
OrnithuromorphaChiappe et al. 1999
subclassOrnithurae
Spiralia
superphylumLophotrochozoa
Lophophorata
phylumHyolitha
subclassOrthogastropoda
classOrthothecimorpha
orderCircothecidaSysoev 1968
genusCostatheca

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