Table 4 in Taxonomy, phylogeny, and diversity of the extinct Lesser Antillean rice rats (Sigmodontinae: Oryzomyini), with description of a new genus and species

<p><b>Table 4.</b> Last-occurrence dates for extinct rice rats from the Windward and Leeward Islands, based on historical records or calibrated radiometric dates from archaeological or palaeontological horizons containing rice rat material</p><table><tbody><tr><th></th><th>Archaeological or palaeontological record</th></tr></tbody><tbody><tr><th>Species</th><td>Island</td><td>Historical record</td><td>Site</td><td>Calibrated radiometric date, 2s</td><td>Reference</td></tr><tr><th><i>Megalomys audreyae</i></th><td>Barbuda</td><td></td><td>Darby Sink</td><td>AD 1173&ndash;1385</td><td>MacPhee &amp; Flemming (1999)</td></tr><tr><th><i>Megalomys desmarestii</i></th><td>Martinique</td><td><i>c.</i> 1897</td><td></td><td></td><td>Allen (1942)</td></tr><tr><th><i>Megalomys luciae</i></th><td>St. Lucia</td><td>pre-1881</td><td></td><td></td><td>Allen (1942)</td></tr><tr><th><i>Oligoryzomys victus</i></th><td>St. Vincent</td><td>1892</td><td></td><td></td><td>Allen (1942)</td></tr><tr><th><b><i>Pennatomys nivalis</i> gen. et</b> <b>sp. nov.</b></th><td>Nevis</td><td>1720? (1930s?)</td><td>Sulphur Ghaut</td><td>AD 900&ndash;1200</td><td>Newsom &amp; Wing (2004); Wilson (2006)</td></tr><tr><td>St. Eustatius</td><td></td><td>Golden Rock</td><td>80 BC&ndash;AD 980</td><td>Schinkel (1992)</td></tr><tr><td>St. Kitts</td><td>1631?</td><td>Bloody Point</td><td>AD 660&ndash;1115</td><td>J.E. Robb, pers. comm.</td></tr><tr><th>Undescribed taxon</th><td>Anguilla</td><td></td><td>Shoal Bay East</td><td>AD 940&ndash;1320</td><td>Crock (2000)</td></tr><tr><th>Undescribed taxon (? <i>Megalomys</i> <i>audreyae</i> or &lsquo; <i>Ekbletomys</i> <i>hypenemus</i> &rsquo;)</th><td>Antigua</td><td></td><td>Indian Creek</td><td>AD 900&ndash;1100</td><td>Rouse &amp; Morse (1999)</td></tr><tr><th>Undescribed taxon</th><td>Barbados</td><td>1848?</td><td></td><td></td><td>Schomburgk (1848), Ray (1962), Feilden (1890), Marsh (1984, 1985)</td></tr><tr><th>Undescribed taxon</th><td>Carriacou</td><td></td><td>Grand Bay</td><td>AD 390&ndash;1280</td><td>LeFebvre (2007); S.M. Fitzpatrick, pers. comm.</td></tr><tr><td>(Grenadines)</td><td></td><td></td><td></td></tr><tr><th>Undescribed taxon (large morph)</th><td>Grenada</td><td></td><td>Pearls</td><td>37 BC&ndash;AD 533</td><td>Haviser (1997)</td></tr><tr><th>Undescribed taxon (small morph)</th><td>Grenada</td><td></td><td>Pearls</td><td>37 BC&ndash;AD 533</td><td>Haviser (1997)</td></tr><tr><th>Undescribed taxon</th><td>Guadeloupe</td><td></td><td>Morel</td><td>AD 21&ndash;881</td><td>Haviser (1997)</td></tr><tr><th>Undescribed taxon</th><td>La Desirade</td><td></td><td>Petite Rivi&egrave;re</td><td>AD 600&ndash;1400</td><td>de Waal (1996)</td></tr><tr><th>Undescribed taxon</th><td>Marie Galante</td><td></td><td>Taliseronde</td><td>AD 350&ndash;665</td><td>Haviser (1997)</td></tr><tr><th>Undescribed taxon (large morph)</th><td>Montserrat</td><td></td><td>Trants</td><td>774 BC&ndash;AD 622</td><td>Petersen (1996)</td></tr><tr><th>Undescribed taxon (small morph)</th><td>Montserrat</td><td></td><td>Trants</td><td>774 BC&ndash;AD 622</td><td>Petersen (1996)</td></tr><tr><th>Undescribed taxon</th><td>Saba</td><td></td><td>Kelbey&rsquo;s Ridge II</td><td>AD 1290&ndash;1400</td><td>Hoogland (1996)</td></tr><tr><th>Undescribed taxon</th><td>St. Martin</td><td></td><td>Hope Estate</td><td>AD 255&ndash;650</td><td>Newsom &amp; Wing (2004)</td></tr></tbody></table><p>Calibrated dates were calculated from conventional ¹⁴ C ages (years BP) for <i>Megalomys audreyae</i> and for undescribed taxa from Grenada, Guadeloupe, and Marie Galante using OxCal 4.0 (Bronk Ramsey, 1995, 2001). The calibrated date for <i>M</i>. <i>audreyae</i> is based on a direct radiocarbon date from subfossil rice rat material; all other radiometric last-occurrence dates are based on calibrated dates of stratigraphically associated material from archaeological sites.</p>