Ptychascus

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Cladus: Pancrustacea
Superclassis: Multicrustacea
Classis: Thecostraca
Subclassis: Cirripedia
Superordo: Rhizocephala

Familia: Sacculinidae
Genusː Ptychascus
Species (2)ː P. barnwelli – P. glaber –
Name

Ptychascus Boschma, 1933ː 532
Type species:ː Ptychascus glaber Boschma, 1933ː 532, by monotypy
ZooBank: 85CA8E26-0752-4297-8A93-0C306C66A7DA

References

Boschma, H. 1933. The Rhizocephala in the collection of the British Museum. Journal of the Linnean Society of London, Zoology 38(261)ː 473–552. DOI: 10.1111/j.1096-3642.1933.tb00995.x Open access pdf Reference page. [See p. 532, original description]

Chan, B.K-K., Dreyer, N., Gale, A.S., Glenner, H., Ewers-Saucedo, C., Perez-Losada, M., Kolbasov, G.A., Crandall, K.A. & Høeg, J.T. 2021. The evolutionary diversity of barnacles, with an updated classification of fossil and living forms. Zoological Journal of the Linnean Society 193(3): 789–846. DOI: 10.1093/zoolinnean/zlaa160 Open access Reference page. [See p. 38, mention]
Høeg, J.T., Noever, C., Rees, D.J., Crandall, K. & Glenner, H. 2020. A new molecular phylogeny-based taxonomy of parasitic barnacles (Crustacea: Cirripedia: Rhizocephala). Zoological Journal of the Linnean Society 190: 632–653. DOI: 10.1093/zoolinnean/zlz140 Open access pdf Reference page. [See p. 643, discussion]