Synonyms: Squaliolus alii
Common name: Smalleye pygmy shark
Original description species: Teng, 1959
Genus: Squaliolus Smith & Radcliffe In Smith, 1912
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Euprotomicrus laticaudus, Euprotomicrus sarmenti, Squaliolus sarmenti
Common name: Spined pygmy shark
Original description species: Smith & Radcliffe, 1912
Genus: Squaliolus Smith & Radcliffe In Smith, 1912
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii