Maximum likelihood phylogeny of the Marxi species group based on the mitochondrial gene cytochrome oxidase c subunit I (COX1). The red clades highlight the diphyly of Aphonopelma jacobii sp. nov. Bootstrap node support values are indicated along branches of interest (*** indicates branches supported with values ≥ 95).

 
 
  Part of: Hamilton CA, Hendrixson BE, Silvestre Bringas K (2024) Discovery of a new tarantula species from the Madrean Sky Islands and the first documented instance of syntopy between two montane endemics (Araneae, Theraphosidae, Aphonopelma): a case of prior mistaken identity. ZooKeys 1210: 61-98. https://doi.org/10.3897/zookeys.1210.125318