The name of this taxon appears to be invalid under the relevant nomenclatural code, as it is a redundant synonym of Molgulidae.
Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Tunicata
Classis: Sorberacea
Ordo: Aspiraculata
Familia: Hexacrobylidae
Genera (2): Asajirus – Oligotrema
Name
Hexacrobylidae Seeliger, 1906: 1198
Type genus: Hexacrobylus Sluiter, 1905, by monotypy.
Status: invalid synonymised with Molgulidae by Tatián, Lagger, Demarchi & Mattoni (2011: 610)
References
Primary references
Seeliger, O. 1893–1906. Tunicata: Manteltiere. In: Bronn's Klassen und Ordnungen des Tier-Reichs. Band 3, Supplement 1, Abt. 1: Die Appendicularien und Ascidien. Akademische Verlagsgesellschaft: Leipzig. 1–1280 pp. + XLI plates. BHL (1–464); BHL (465–1120); BHL (1121–1280) Reference page.
Additional references
Kott, P. 1989. The family Hexacrobylidae Seeliger, 1906 (Ascidiacea, Tunicata). Memoirs of the Queensland Museum 27(2): 517–534. BHL Reference page.
Tatián, M., Lagger, C., Demarchi, M. & Mattoni, C. 2011. Molecular phylogeny endorses the relationship between carnivorous and filter-feeding tunicates (Tunicata, Ascidiacea). Zoologica Scripta 40(6): 603–612. DOI: 10.1111/j.1463-6409.2011.00493.x Reference page.
Links
Hexacrobylidae in the World Register of Marine Species
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