Table 1

AMS dates for extinct Puerto Rican mammals.

specieslab. no.materialsite13C/12Cage ±1σcalibrated date, 68.2% probabilitycalibrated date, 95.5% probability
Heteropsomys insulansOxA-15142mandibular fragmentgrave infill, Cag-3−19.61219±26772–870 AD694–887 AD
Nesophontes edithaeOxA-15141mandiblegrave infill, Cag-3−19.3990±241015–1147 AD991–1153 AD
Elasmodontomys obliquusOxA-15129charcoal, 0–2 cm intervalCueva del Perro−27.33512±281887–1775 BC1913–1751 BC
Elasmodontomys obliquusOxA-15132charcoal, combined 0–4 cm intervalCueva del Perro−26.82407±28511–407 BC732–399 BC