Mammalia - Sparassodonta

Synonyms: Agustylus cynoides Ameghino 1887, Agustylus minus Ameghino 1935, Agustylus primaevus Mercerat 1891, Amphiproviverra ensidens Ameghino 1891, Amphithereutes obscurus Ameghino 1935, Cladosictis dissimilis Mercerat 1891, Cladosictis lateralis Ameghino 1894, Cladosictis petersoni Sinclair 1906, Cladosictis trouessarti Ameghino 1891, Hathliacynus cultridens Mercerat 1891, Hathliacynus fischeri Mercerat 1891, Hathliacynus lustratus Ameghino 1887, Hathliacynus rollieri Mercerat 1891, Hathlyacynus cultridens Mercerat 1891, Hathlyacynus linchyi Mercerat 1891, Ictioborus fenestratus Ameghino 1891, Protoproviverra ensidens Ameghino 1891, Proviverra trouessarti Ameghino 1891, Proviverra trouessartii Ameghino 1891

Belongs to Cladosictis according to L. G. Marshall 1981

See also Ameghino 1891, Ameghino 1894 and Marshall 1978

Sister taxa: Acyon bardus, Anatherium defossus, Cladosictis centralis, Cladosictis defossa

Type specimens:

• Cladosictis patagonica: MLP 11-103, a maxilla (left maxillary fragment with M3-4). Its type locality is Barrancas del Río Santa Cruz, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
• Agustylus cynoides: MLP 11-78, a mandible (fragment of left mandibular ramus with p2 missing anterior edge and anterior root of p3). Its type locality is Barrancas del Río Santa Cruz, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
• Agustylus minus: MACN 671 and 672, a mandible (fragment of left mandibular ramus with m2-4 (671) and right mandibular ramus with roots of m1, m2-3 complete, m4 broken (672), both one individual). Its type locality is Cerro Observatorio, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
• Agustylus primaevus: MLP 11-4, a mandible (greater part of right mandibular ramus with c missing tip of crown, p1 complete, p2 missing posterior edge, p3-m1 complete, alveoli of m2, m3-4 complete). Its type locality is Monte León, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
• Amphithereutes obscurus: MACN 681, a mandible (fragment of left mandibular ramus with roots of c-m1). Its type locality is Santa Cruz, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
• Cladosictis dissimilis: MLP 11-86, a maxilla (fragment of right maxillary with alveoli of M1, and M2-4 complete). Its type locality is Monte León, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
• Cladosictis lateralis: MACN 5950, a partial skull (rostral portion of skull with roots of left I1-P2, and right I1-P3, and with left P3-M4 and right M1-4 complete). Its type locality is Puesto Estancia La Costa, which is in a Santacrucian terrestrial claystone/sandstone in the Santa Cruz Formation of Argentina.
• Cladosictis petersoni: PU 15702, a partial skeleton (rostral part of skull and associated partial skeleton). Its type locality is 10 miles south of Coy Inlet, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
• Cladosictis trouessarti: MACN 2079, a partial skull (greater part of left side of skull with partial dentition but missing basicranium, right zygomatic arch, right maxillary, and all of right dentition).
• Hathliacynus cultridens: MLP 11-2, a mandible (fragment of left mandibular ramus with alveoli of i1-3, base of c, p1-2 complete, alveoli of p3-m1). Its type locality is Santa Cruz, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
• Hathliacynus fischeri: MLP 11-19, a partial skull (rostrum of skull and attached mandible with nearly complete dentition). Its type locality is Monte León, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
• Hathliacynus lustratus: MLP 11-17, a maxilla (right maxillary fragment with M1-2 (P3 has been lost since the original description)). Its type locality is Santa Cruz, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
• Hathliacynus rollieri: MLP 11-10, a mandible (fragment of left mandibular ramus with posterior root of p3, and m1-4 present). Its type locality is Santa Cruz, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
• Hathlyacynus linchyi:
• Ictioborus fenestratus: MACN 664, a mandible (fragment of right mandibular ramus with posterior alveolus of p1, p2 complete, base of p3, alveoli of m1, m2 complete, m3 missing protoconid). Its type locality is Cerro Observatorio, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
• Protoproviverra ensidens: MACN 689, a mandible (fragment of right mandibular ramus with posterior half of p1 and p2, p3 complete, and anterior root of m1). Its type locality is Cerro Observatorio, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.

Ecology: scansorial carnivore

Distribution:

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Specimen images are retrieved through the ePANDDA API.