PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Catopsalis fissidens

Osteichthyes - Multituberculata - Taeniolabididae

Taxonomy

Catopsalis fissidens was named by Cope (1884).

It was recombined as Polymastodon fissidens by Hay (1902), Hay (1930).

Synonyms

Catopsalis utahensis was named by Gazin (1939). Its type specimen is USNM 15757, a tooth, and it is not a trace fossil. Its type locality is Dragon Canyon, which is in a Torrejonian terrestrial horizon in the North Horn Formation of Utah.

It was synonymized subjectively with Catopsalis fissidens by Williamson and Lucas (1993), Buckley (1995), Lucas et al. (1997), Williamson et al. (2016).

Synonymy list

Year	Name and author
1884	Catopsalis fissidens Cope p. 322
1902	Polymastodon fissidens Hay p. 563
1929	Catopsalis fissidens Granger and Simpson
1930	Polymastodon fissidens Hay p. 384
1937	Catopsalis fissidens Matthew
1939	Catopsalis utahensis Gazin
1941	Catopsalis utahensis Gazin pp. 8 - 9 figs. Figure 2B
1979	Catopsalis fissidens Kielan-Jaworowska and Sloan pp. 188-189
1979	Catopsalis utahensis Kielan-Jaworowska and Sloan pp. 188-189
1997	Catopsalis fissidens Lucas et al.

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

Rank	Name	Author
—	Cotylosauria	()
—	Amniota
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Allotheria	()
order	Multituberculata	Cope 1884
suborder	Cimolodonta	()
superfamily	Taeniolabidoidea	()
family	Taeniolabididae	Granger and Simpson 1929
genus	Catopsalis	Cope 1882
species	fissidens

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.

†Catopsalis fissidens Cope 1884

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Invalid names: Catopsalis utahensis Gazin 1939 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialc

Locomotion:

actively mobilec

Life habit:

arborealo

Diet:

herbivoref

Created:

2005-09-09 09:08:29

Modified:

2005-09-09 11:08:29

Source: f = family, o = order, c = class, subp = subphylum

References: Kielan-Jaworowska et al. 2004, Jenkins and Krause 1983, Carroll 1988, Hopson 1973, Hendy et al. 2009

Age range: Torrejonian or 63.40000 to 60.90000 Ma

Collections (4 total)

Time interval	Ma	Country or state	Original ID and collection number
Torrejonian	63.4 - 60.9	USA (Utah)	Catopsalis utahensis (14830 14889)
Torrejonian	63.4 - 60.9	USA (New Mexico)	Catopsalis fissidens (14824 14865)