PBDB Taxon

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Sulestes karakshi

Osteichthyes - Deltatheroida - Deltatheridiidae

Taxonomy

Sulestes karakshi was named by Nessov (1985). Its type specimen is TsNIGR 35/12000, a maxilla (maxilla with M1-2), and it is a 3D body fossil. Its type locality is CBI-4b, Dzharakuduk II, which is in a Turonian/Turonian terrestrial horizon in the Bissekty Formation of Uzbekistan.

Synonyms

Deltatheroides kizylkumensis was named by Nessov (1993). Its type specimen is CCMGE 41/12455 (or ?40/12455), a tooth (m2?), and it is a 3D body fossil. Its type locality is CBI-4, Dzharakuduk II, which is in a Turonian/Turonian terrestrial horizon in the Bissekty Formation of Uzbekistan.

It was recombined as Deltatherus kizylkumensis by Nessov (1997), Kielan-Jaworowska et al. (2004); it was synonymized subjectively with Sulestes karakshi by Archibald and Averianov (2005), Averianov et al. (2010).

Synonymy list

Year	Name and author
1985	Sulestes karakshi Nessov pp. 211-212 figs. Pl. 2:1
1993	Deltatheroides kizylkumensis Nessov
1994	Sulestes karakshi Nessov et al. p. 65 figs. pl. 4, fig. 3
1997	Deltatherus kizylkumensis Nessov p. 161 figs. pl. 45
2004	Deltatherus kizylkumensis Kielan-Jaworowska et al. pp. 411, 446
2004	Sulestes karakshi Kielan-Jaworowska et al. pp. 411, 446
2005	Sulestes karakshi Archibald and Averianov
2010	Sulestes karakshi Averianov et al. p. 303 figs. 1-5, 7

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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
—	Cotylosauria	()

Rank	Name	Author
—	Amniota
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
subclass	Metatheria	()
order	Deltatheroida	Kielan-Jaworowska 1982
family	Deltatheridiidae
genus	Sulestes
species	karakshi

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.

†Sulestes karakshi Nessov 1985

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Invalid names: Deltatherus kizylkumensis Nessov 1993 [synonym]

Diagnosis

Reference	Diagnosis
A. O. Averianov et al. 2010	Differs from both Deltatheridium and Deltatheroides by p1 oriented obliquely relative to the dentary axis. Plesiomorphically similar to Deltatheridium and differs from Deltatheroides in having an asymmetrical M3 with reduced metastylar lobe. Plesiomorphically similar to Deltatheroides and differs from Deltatheridium in having M4/m4 not vestigial, m4 with metaconid and three-cusped basined talonid. Differs plesiomorphically from both Deltatheridium and Deltatheroides in having Meckelian groove present at least in some specimens. Differs from Deltatheridium in having P1 double rooted and premaxilla overlapping laterally anterior end of maxilla and forming anterior wall of upper canine alveolus (these characters are not known for Deltatheroides; the first character is plesiomorphic, for the second character see comments below). Differs from Oklatheridium by larger size, smaller stylocone, shallower ectoflexus, and more open trigonid.

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialc

Locomotion:

actively mobilec

Life habit:

scansorialsubc

Diet:

carnivoref

Diet 2:

durophagef

Reproduction:

viviparoussubc

Created:

2005-09-07 09:03:54

Modified:

2005-09-07 11:21:30

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

References: Hopson 1973, Fox and Naylor 1995, Hendy et al. 2009, Carroll 1988, Lillegraven 1979

Age range: base of the Middle Turonian to the top of the Late/Upper Turonian or 93.90000 to 89.80000 Ma

Collections (9 total)

Time interval	Ma	Country or state	Original ID and collection number
Middle Turonian - Late/Upper Turonian	93.9 - 89.8	Uzbekistan (Navoi)	Deltatheroides kizylkumensis (58165) Deltatheroides kizylkumensis, Sulestes karakshi, Sulestes sp. (58168) Sulestes karakshi (58166 58174 58179 type locality: 118246 123159 123160 123161)