Species | Eco-geographic constraints | Support | Western refugia | Support | Riverine barrier | Support | Centers of endemism (river catchments) | Support |
---|---|---|---|---|---|---|---|---|
General | Youngest sister lineage is generalists and occurs in different eco-geographic zones; Older sister linages are more specialized; East (humid)-west (dry) phylo-geographic pattern; lineages correspond to eco-geographic regions | Partly | No gene flow from west to east | No | Sister lineages occur on either side of a river, low gene flow between sister lineages | Partly | Lineages occurring in retreat dispersal watersheds (RDW) are sister lineages to lineages occurring in neighboring RDW; glacial cycles during the Pleistocene (< 2.8 mya) allowed gene flow among RDW; sister lineages occur in neighboring river catchments when their headwaters are at low elevations | Yes |
Eulemur albifrons | Lineage distribution corresponds to eco-geographic regions; east- west division | No | - | - | Sister lineage to E. sanfordi (Bemarivo), but low gene flow | Partly | Sister lineage to sanfordi (fulvus) + recent divergence + gene flow to albifrons and fulvus via retreat dispersal watersheds | Yes |
Eulemur cinereiceps | Lineage distribution corresponds to eco-geographic regions; east- west division | No | - | - | Sister lineage to E. collaris (Mananara) | Yes | Sister lineage to collaris + recent divergence | Yes |
Eulemur collaris | Lineage distribution corresponds to eco-geographic regions; east- west division | No | - | - | Sister lineage to E. cinereiceps (Mananara) | Yes | Sister lineage to cinereiceps + recent divergence | Yes |
Eulemur fulvus | Lineage distribution corresponds to eco-geographic regions; east- west division | No | No gene flow from west to east | Probably no (few data) | Sister lineage to E. rufifrons (Manangoro), E. rufus (Betsiboka), E. albifrons (Mananara), but low gene flow | Partly | Gene flow between east and west | Probably (not tested) |
Eulemur rufifrons | Lineage distribution corresponds to eco-geographic regions; east- west division | No | No gene flow from west to east | No | Sister lineage to E. rufus (Tsiribihina), but low gene flow | Partly | Gene flow between east and west | Yes |
Eulemur rufus | Lineage distribution corresponds to eco-geographic regions; east- west division | Yes | No gene flow from E. rufus to E. rufifrons | No | Sister lineage to E. rufifrons (Tsiribihina) or fulvus (Betsiboka), but low gene flow | Partly | Sister linage to rufifrons or fulvus + recent divergence + gene flow to fulvus and/or rufus | Yes |
Eulemur sanfordi | Lineage distribution corresponds to eco-geographic regions; east- west division | Yes | - | - | Sister lineage to E. albifrons (Bemarivo) or fulvus (Mahavavy du Nord), but low gene flow | Partly | Sister lineage to albifrons (fulvus) + recent divergence + gene flow to albifrons via retreat dispersal watersheds | Yes |
Eulemur rubriventer | Sister lineage to fulvus group | Yes | - | - | - | - | - | - |
Eulemur macaco | Lineage distribution corresponds to eco-geographic regions; east- west division | No | - | - | Sister lineage to E. flavifrons (Maeverano) | Yes | Sister lineage to E. flavifrons + recent divergence | Yes |
Eulemur flavifrons | Lineage distribution corresponds to eco-geographic regions; east- west division | No | - | - | Sister lineage to E. macaco (Maeverano) | Yes | Sister lineage to E. macaco + recent divergence | Yes |
Eulemur coronatus | Lineage distribution corresponds to eco-geographic regions; east- west division | Yes | - | - | Sister species to E. macaco + E. flavifrons (Mahavavy du nord) | yes | Sister lineage to macaco/flavifrons + recent divergence | Yes |