Descrizione originale come Crenicichla hummelincki:
ZooBank:A3D7F8F8-6C23-47F6-BB12-A3F2092285A5.
- Ploeg, Alex. 1991. "Revision of the South American cichlid genus Crenicichla Heckel, 1840, with description of fifteen new species and consideration on species groups, phylogeny and biogeography (Pisces, Perciformes, Cichlidae)". Univ. Amsterdam, Netherlands. 1-153 (crc01043)
Conservazione: Saxatilia hummelincki è valutata dalle organizzazioni internazionali di salvaguardia delle specie a rischio come (LC) basso rischio (2022). No significant threats are identified for Saxatilia hummelincki, considering mainly that the species occurs in a well-preserved, protected area in the Rio Trombetas (ICMBio, 2022).