PBDB Taxon

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

Haploconus angustus

Mammalia - Periptychidae

Taxonomy

Mioclaenus angustus was named by Cope (1881).

It was recombined as Haploconus angustus by Cope (1882), Cope (1882), Hay (1902), Matthew (1937) and Williamson and Lucas (1993).

Synonyms

Haploconus corniculatus was named by Cope (1888).

It was synonymized subjectively with Haploconus angustus by Williamson and Lucas (1993), Williamson (1996) and Eberle (2003).
Haploconus inopinatus was named by Gazin (1939). It is not extant.

It was synonymized subjectively with Haploconus angustus by Williamson (1996) and Eberle (2003).
Haploconus xiphodon was named by Cope (1882). It is a 3D body fossil.

It was synonymized subjectively with Haploconus lineatus by Hay (1902); it was synonymized subjectively with Haploconus angustus by Matthew (1897) and Matthew (1937).

Synonymy list

Year	Name and author
1881	Mioclaenus angustus Cope
1882	Haploconus angustus Cope p. 418
1882	Haploconus xiphodon Cope p. 466
1888	Haploconus corniculatus Cope p. 349
1902	Haploconus angustus Hay p. 694
1902	Haploconus corniculatus Hay p. 694
1937	Haploconus angustus Matthew
1939	Haploconus inopinatus Gazin
1941	Haploconus inopinatus Gazin pp. 49 - 50 figs. Figure 28
1993	Haploconus angustus Williamson and Lucas

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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	()
infraorder	Cynodontia	()

Rank	Name	Author
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Theriamorpha	(Rowe 1993)
—	Theriiformes	()
—	Trechnotheria
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Boreoeutheria
—	Laurasiatheria
—	Scrotifera
—	Bulbulodentata
family	Periptychidae	Cope 1882
subfamily	Anisonchinae	Osborne and Earle 1895
genus	Haploconus
species	angustus	(Cope 1881)

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.

†Haploconus angustus Cope 1881

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Invalid names: Haploconus corniculatus Cope 1888 [synonym], Haploconus inopinatus Gazin 1939 [synonym], Haploconus xiphodon Cope 1882 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialsubc

Locomotion:

actively mobilec

Life habit:

ground dwellingf

Diet:

herbivoref

Reproduction:

viviparoussubc

Created:

2005-08-31 14:00:01

Modified:

2005-08-31 16:00:01

Source: f = family, subc = subclass, c = class, subp = subphylum

References: Lillegraven 1979, Carroll 1988, Archibald 1998, Ji et al. 2002, Hendy et al. 2009

Age range: Torrejonian or 63.80000 to 60.90000 Ma

Collections (10 total)

Time interval	Ma	Country or state	Original ID and collection number
Torrejonian	63.8 - 60.9	USA (New Mexico)	Haploconus angustus (14815 14824 14826 14827 14865 14869 14873 14877)
Torrejonian	63.8 - 60.9	USA (Texas)	Haploconus inopinatus (14829)
Torrejonian	63.8 - 60.9	USA (Utah)	Haploconus inopinatus (14889)