PBDB Taxon

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

Prothylacynus

Mammalia - Sparassodonta

Taxonomy

Prothylacynus was named by Ameghino (1891). It is not extant. Its type is Prothylacynus patagonicus. It is the type genus of Prothylacynidae.

It was assigned to Thylacynidae by Ameghino (1891); to Dasyuridae by Lydekker (1894); to Prothylacynidae by Ameghino (1894); to Prothylacyninae by Marshall (1979); to Borhyaenidae by de Muizon (1994) and McKenna and Bell (1997); and to Prothylacyninae by Marshall (1978) and de Muizon (1999).

Species

P. patagonicus (syn. Agustylus carnifex, P. brachyrhynchus, Napodonictis thylacynoides, Borhyaena excavata) (type species)

Synonyms

Prothylacocyon was named by Winge (1923) [presumably a misspelling or emendation of _Prothylacynus_].

It was synonymized objectively with Prothylacynus by Marshall (1979).
Napodonictis was named by Ameghino (1894) [1894a].

It was synonymized subjectively with Prothylacynus by Marshall (1979).

It was assigned to Prothylacynidae by Ameghino (1894).

Synonymy list

Year	Name and author
1891	Prothylacynus Ameghino p. 26
1894	Napodonictis Ameghino
1894	Prothylacynus Ameghino p. 123
1894	Napodonictis Ameghino p. 124
1894	Prothylacinus Lydekker p. 268
1923	Prothylacocyon Winge p. 67
1978	Prothylacynus Marshall
1979	Prothylacynus Marshall
1994	Prothylacynus de Muizon
1997	Prothylacynus McKenna and Bell
1999	Prothylacynus de Muizon p. 507

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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
—	Therapsida	()

Rank	Name	Author
infraorder	Cynodontia	()
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Theriamorpha	(Rowe 1993)
—	Theriiformes	()
—	Trechnotheria
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
subclass	Metatheria	()
—	Marsupialiformes
order	Sparassodonta	()
superfamily	Borhyaenoidea	Ameghino 1894
—	Borhyaenidae	()
subfamily	Prothylacyninae	(Ameghino 1894)
genus	Prothylacynus

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. †Prothylacynus Ameghino 1891

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†Prothylacynus patagonicus Ameghino 1891

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Invalid names: Agustylus carnifex Mercerat 1891 [synonym], Borhyaena excavata Ameghino 1894 [synonym], Napodonictis thylacynoides Ameghino 1894 [synonym], Prothylacynus brachyrhynchus Ameghino 1894 [synonym]

Invalid names: Napodonictis Ameghino 1894 [synonym], Prothylacocyon Winge 1923 [objective synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Maximum body mass:

13.83 kgs

Minimum body mass:

13.83 kgs

Body mass estimate:

13.83 kg

Environment:

terrestrialsubo

Locomotion:

actively mobilec

Life habit:

scansorialsubc

Diet:

carnivoresubo

Reproduction:

viviparoussubc

Created:

2013-05-24 23:51:13

Modified:

2013-05-24 08:51:13

Source: s = species, subo = suborder, subc = subclass, c = class, subp = subphylum

References: Goin 1997, Lillegraven 1979, Carroll 1988, Vizcaíno et al. 2010, Clemens 1979, Hendy et al. 2009

Age range: base of the Santacrucian to the top of the Friasian or 17.50000 to 15.50000 Ma

Collections (10 total)

Time interval	Ma	Country or state	Original ID and collection number
Santacrucian	17.5 - 16.3	Argentina (Santa Cruz)	P. brachyrhynchus, Napodonictis thylacynoides, P. patagonicus (142533) P. patagonicus (27313 87314 176569 176575 176587 176602 206237) P. patagonicus, Borhyaena excavata (176570)
Friasian	16.3 - 15.5	Chile (Aisén)	P. patagonicus (139845)