Abundance: 0.08 to 11.30% (median 1.85%)

Latitudinal range: -27.6° to 33.2°

Habitats: (15) only

Found in 15 samples

Argentina: Los Quiroga

Brazil: Lagoa das Abelhas, Lagoa do Rancho, Jirau Paleontological Site, Curimatãs Paleontological Site, Lagoa de Pedra, Poço Redondo, Fazenda Nova

Ecuador: Tanque Loma

United States: Ardis, Saber-tooth Cave, Golf Course, Bogue Chitto Creek, Inglis 1C

Venezuela: El Breal de Orocual (ORS20)

See also Holmesina floridanus, Holmesina occidentalis, Holmesina paulacoutoi, Holmesina septentrionalis