| Nomen dubium (nom. dub.) | |
Ref:
G. Olshevsky, 1991. Mesozoic Meanderings (no. 2): 70 ("nomen dubium").
|
| Nomen vanum (nom. dub.) [Mones, 1989: 232 ("nom. nud.": poor type specimen)] | |
Ref:
Wikimedia, 2001-present: Anhanguera_(pterosaur), 3 Nov 2025 (A. Kellner, 1988: "nomen vanum").
|
| Nomen nudum (nom. nud.) [ICZN, 1999: Arts. 12 [before 1931], 13 [after 1930], G] | |
Ref:
Wikimedia, 2001-present: Anhanguera_(pterosaur), 3 Nov 2025 (F.L. Pinheiro et al., 2012: "nomen nudum because it was named in an abstract.").
|