Cassidulus

Taxonavigation

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Echinodermata
Subphylum: Eleutherozoa
Superclassis: Cryptosyringida
Classis: Echinoidea
Subclassis: Euechinoidea
Superordo: Atelostomata
Ordo: Cassiduloida
Familia: Cassidulidae
Genus: Cassidulus
Species: C. briareus –

Souto, C.; Manso, C.L.C.; Martins, L. 2011: Rediscovery and redescription of Cassidulus infidus (Echinoidea: Cassidulidae) from northeastern Brazil. Zootaxa, 3095: 39–48. Preview
Souto, C. & Martins, L. 2018. Synchrotron micro-CT scanning leads to the discovery of a new genus of morphologically conserved echinoid (Echinodermata: Cassiduloida). Zootaxa 4457(1): 70–92. DOI: 10.11646/zootaxa.4457.1.3 Reference page.
Souto, C., Mooi, R., Martins, L., Menegola, C., Marshall, C.R. 2019. Homoplasy and extinction: the phylogeny of cassidulid echinoids (Echinodermata). Zoological Journal of the Linnean Society. 187(3): 622–660. DOI: 10.1093/zoolinnean/zlz060 Reference page. [as Cassidulus p. 651]