Described as colourless, parasitic "Oscillariaceae", from the caecum of a guinea pig. [details]
Listed as fossil in Nomenclator Zoologicus, in error cf. web sources. [details]
From Wikipedia, November 2022: Uniquely among hyaenodonts, species of Apterodon were a semiaquatic, fossorial ... [details]
From Wikipedia, Oct 2022: They are the only known aquatic sloths, but they may have also been adapted to a ... [details]
unavailable [details]
orthographia [details]
As subgenus of Acineta Ehrenberg, 1834; currently valid as subgenus according to Jankowski, 2015. [details]
Treated as accepted based on original description, however not reported elsewhere in literature other than in a ... [details]
Listed as accepted based on original publication, however not referenced subsequently in the literature. [details]
Listed as accepted based on original description, however not traced elsewhere in the literature. [details]
On https://www.birdforum.net/threads/bow-key.390673/page-5, a contributor (James Jobling) states that "Anais ... [details]
Name imported from Index Fungorum (2009 version), but currently (2021) does not appear there. This name and/or its ... [details]
Authority as given in some sources e.g. Australian Faunal Directory (2017 version), appears to be incorrect cf. ... [details]
Authority is given in some sources e.g. Australian Faunal Directory (2017 version) as Leidy, 1879, however ... [details]
Family given as Depressariidae in family placement from https://species.wikimedia.org/wiki/Depressariidae (as at ... [details]
Originally introduced as a substitute name for "Spengel's restricted genus Balanoglossus" according to original work. [details]
Not validly published: published in thesis only, refer Turner, R.E., PhD. Thesis, Univ. of Sheffield, 1979, ... [details]
Untraced in literature sources, possibly error for Archaeodiscina S.N. Naumova, 1960? [details]
Pre-Linnean name (unavailable) [details]
Order not accepted by other authors; also type genus Foerstia is a junior synonym of Protosalvinia (systematic ... [details]
According to Stolarski & Russo, 2002, Acta Palaeontologica Polonica 47: 651-666, Beauvais (1986) erroneously ... [details]
Originally as suborder (Holomastigina); stat. nov. Cavalier-Smith, 1996. [details]
Dubois first used the epithet erectus in 1893 in the genus Anthropopithecus, before transferring his new species to ... [details]
Listed outside Theria, but within infralegion Tribosphenida, which also contains Necrolestidae, Aegialodontida, and ... [details]
Appears to be a nomen nudum (later works cite the valid name as Idiodamaeus Paschoal, 1984), however original work ... [details]
Original spelling Jrcinia; the spelling Ircinia is in prevailing usage and is treated as a corrected original spelling. [details]
Original spelling, treated as incorrect; the spelling Ircinia is in prevailing usage and is treated as a corrected ... [details]
Poorly described genus, commented on by A. Gray as being "probably something of the Cladophora sort". [details]
Ichnogenus: the trace of Hyrrokkin Cedhagen, 1994, refer original description. [details]
Status uncertain; established by Skvortzov (1972) for his own genus Kofoidiella B.V. Skvortzov, 1968, not ... [details]
Not validly published: genus name listed with only one indeterminate species; also as Kytorynchidarum in same paper. [details]
Not validly published: genus name listed with only one indeterminate species; also as Kytorhynchidarum in same paper. [details]
No families, orders or classes are presently recognised in Acritarcha. [details]
This name is a nomen nudum according to several web sources e.g. http://reptilis.net/DML/2016Jan/msg00086.html. ... [details]
From Wikipedia (May 2022): Lipotyphla is a formerly used order of mammals, including the members of the order ... [details]
Apparent misspelling in Nomenclator Zoologicus (original work not seen). [details]
Considered an available name (type photograph/s attributed to the species in original work) however the existence ... [details]
The spelling Nierstraszia is used in some sources, however Nierstrassia is correct according to the original ... [details]
Originally as subdivision of Phalaena. Available name (validated by ICZN, Opinion 450). Nomenclator Zoologicus ... [details]
Genus reinstated by Sketa & Hou, 2018 (Acta Biologica Slovenica, 61 (1): 93-102), not reflected in WoRMS as at ... [details]
Misspelling as found in some literature. [details]
Name listed in Margulis et al., 1990 and 1993, but apparently never published. [details]
Type genus Spiromastix Perfil'ev, 1929 competes with the later name Spiromastix Kuehn & G.F. Orr, 1962 if the ... [details]
Validation of Spiromastixaceae Guarro, Cano & Stchigel, 2014, latter not validly published according to Hirooka et ... [details]
This name is still used as valid in the Universal Chalcidoidea Database as at July 2020, however it is a junior ... [details]
The spelling as Umaltolepidiaceae is used in Taylor et al., 2009 and in Novikoff & Barabasz-Krasny, B, 2015, ... [details]
The spelling as Umaltolepidiales is used in Novikoff & Barabasz-Krasny, B, 2015, however Umaltolepidales appears ... [details]
Erected as a new order by McKenna & Bell, 1997 to group 3 suborders (Sirenia, Proboscidea, and Hyracoidea) together ... [details]
From https://en.wikipedia.org/wiki/List_of_informally_named_dinosaurs: "Yunxianosaurus" is the provisional name for ... [details]