🦕 Prehistoric World Map

Aploconodon fossil map

Where fossils of Aploconodon have been found, shown on the Earth as it looked about 145 million years ago and on today’s map.

Dots are fossil collections recorded in the Paleobiology Database. The “then” view moves today’s fossil sites back to their positions 145 million years ago (the time slice nearest the median age of the fossils) using the Merdith et al. (2021) plate model; positions are approximate. Open on the timeline map →

GroupEarly mammals
Lived154.8–143.1 million years ago (Kimmeridgian to Tithonian)
PeriodsJurassic
FamilyAmphilestidae
Named bySimpson 1925
Fossil records2 occurrences at 1 locations (PBDB)
Found inUnited States
Rock formationsMorrison

About Aploconodon

Aploconodon is an extinct genus of Late Jurassic mammals belonging to the family Amphidontidae. It contains one species, A. comoensis.

It is present in stratigraphic zone 5 of the Morrison Formation.

Text in “About” is quoted from the Wikipedia article Aploconodon (revision 1255470003), licensed under CC BY-SA 4.0; introduction excerpted verbatim, formatting removed. Ages, family, authority and fossil records: Paleobiology Database, accessed 23 October 2026. Ages are those of the rock layers the fossils were found in. Wikidata: Q257055.

More early mammals