Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata

Current position

Urochordata (Subphylum) Bateson, 1885

Ref: J.S. Nelson et al., 2016: 15.

Alternative positions

Tunicata (Subphylum) Lamarck, 1816	Ref: I. Goodbody, 1982: 823.
Tunicata (Superclass) Cuvier	Ref: C. Monniot, 2001: 352.
Urochordata (Phylum) (Lankester, 1877)	Ref: C. Nielsen, 1995

Historical positions

Urochordata (Subphylum) Bateson, 1885	Ref: J.S. Nelson et al., 2016: 15.
Urochordata (Subphylum) Bateson, 1885	Ref: J.S. Nelson, 2006: 17.
Tunicata (Superclass) Cuvier	Ref: C. Monniot, 2001: 352.
Urochordata (Phylum) (Lankester, 1877)	Ref: C. Nielsen, 1995
Urochordata (Subphylum) Bateson, 1885	Ref: R.C. Brusca & G.J. Brusca, 1990
Tunicata (Subphylum) Lamarck, 1816	Ref: I. Goodbody, 1982: 823.
Tunicata (Subphylum) Lamarck, 1816	Ref: L. Margulis & K.V. Schwartz, 1982: 238.
Urochordata (Subphylum) Bateson, 1885	Ref: T.I. Storer et al., 1979: 326.

Number of Subtaxa

2024	Available in Systema Naturae 2000	3o;16f;56g;74s;4ss
1989-present	Systema Naturae 2000	3o;13[14]f;156[145]g
1990	R.C. Brusca & G.J. Brusca	~13f
1982	I. Goodbody: 823	3o;13[14]f;156[145]g