THYLACOSMILIDAE
IGM 251108 (un-nominated species), partial left horizontal ramus without dentition, right horizontal ramus with dentition, right maxillary fragment with a proximal portion of the canine, and incomplete postcranial elements (La Venta, Colombia; Honda Group, Laventan SALMA, middle Miocene).
APPENDIX 1. — Continuation.
Additional information: Goin (1997)
Comment: This species is being described in a work in progress from Suarez et al.