PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Titanohyrax

Mammalia - Hyracoidea - Titanohyracidae

Taxonomy

Titanohyrax was named by Matsumoto (1922) [also said to be 1921]. It is not extant.

It was assigned to Saghatheriinae by Sudre (1979) and Prothero and Schoch (1989); to Titanohyracinae by Rasmussen and Simons (2000); to Pliohyracidae by Rasmussen and Simons (1988), Carroll (1988), Court and Hartenberger (1992) and Hartenberger et al. (2001); and to Titanohyracidae by Matsumoto (1926) and Rasmussen and Gutiérrez (2010).

Species

T. andrewsi, T. angustidens, T. mongereaui, T. palaeotherioides, T. schlosseri, T. tantulus, T. ultimus

Species lacking formal opinion data

T. tantalus

Synonyms

Megalohyrax palaeotherioides was named by Schlosser (1911).

It was recombined as Titanohyrax palaeotherioides by Matsumoto (1926); it was considered a nomen nudum by Rasmussen and Simons (1988).

Synonymy list

Year	Name and author
1911	Megalohyrax palaeotherioides Schlosser
1922	Titanohyrax Matsumoto p. 844
1926	Titanohyrax Matsumoto
1926	Titanohyrax palaeotherioides Matsumoto
1979	Titanohyrax Sudre p. 93
1988	Titanohyrax Carroll
1988	Titanohyrax Rasmussen and Simons p. 72
1989	Titanohyrax Prothero and Schoch p. 531
1992	Titanohyrax Court and Hartenberger p. 310
2000	Titanohyrax Rasmussen and Simons p. 167
2001	Titanohyrax Hartenberger et al. p. 247
2010	Titanohyrax Rasmussen and Gutiérrez p. 136

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
subclass	Synapsida

Rank	Name	Author
—	Therapsida	()
infraorder	Cynodontia	()
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Afrotheria	Stanhope et al. 1998
—	Paenungulatomorpha
—	Paenungulata	Simpson 1945
order	Hyracoidea	Huxley 1869
family	Titanohyracidae
genus	Titanohyrax	Matsumoto 1922

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Titanohyrax Matsumoto 1922

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†Titanohyrax andrewsi Matsumoto 1922

†Titanohyrax angustidens Rasmussen and Simons 1988

†Titanohyrax mongereaui Sudre 1979

†Titanohyrax schlosseri Matsumoto 1921

†Titanohyrax tantulus Court and Hartenberger 1992

†Titanohyrax ultimus Matsumoto 1922

Invalid names: Titanohyrax palaeotherioides Schlosser 1911 [nomen nudum]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialsubc

Locomotion:

actively mobilec

Life habit:

scansorialo

Diet:

herbivoreo

Reproduction:

viviparoussubc

Created:

2005-08-26 13:57:48

Modified:

2005-08-26 15:57:48

Source: o = order, subc = subclass, c = class, subp = subphylum

References: Hendy et al. 2009, Ji et al. 2002, Lillegraven 1979, Carroll 1988, Nowak 1999

Age range: base of the Ypresian to the top of the Rupelian or 56.00000 to 28.10000 Ma

Collections (10 total)

Time interval	Ma	Country or state	Original ID and collection number
Ypresian - Lutetian	56.0 - 41.3	Algeria (Bechar region)	T. mongereaui (77013) T. tantulus (36612)
Ypresian - Lutetian	56.0 - 41.3	Algeria (Bechar)	T. mongereaui (36615)
Ypresian - Lutetian	56.0 - 41.3	Tunisia	T. tantalus (87795)
Rupelian	33.9 - 28.1	Egypt (Fayum)	T. andrewsi, T. ultimus (65960) T. angustidens (12950 12954 12969) T. sp. nov. B (60127)
Oligocene	33.9 - 23.03	Libya	Megalohyrax palaeotherioides (154222)