• Triangulina F.H. Cramer, 1964 † [Phylum: Acritarcha]
• Triangulina Quilty, 1970 † (uncertain) [Phylum: Animalia incertae sedis]
• Triangulina V.S. Maljavkina, 1949 † [Phylum: Sporae dispersae]
• Triangulina admota (Grishina in Grishina & Klenina, 1981) Sarjeant & Stancliffe, 1994 †
• Triangulina alargada Cramer, 1964 †
• Triangulina arcessita (N. Umnova in N. Umnova & Yakovlev, 1970) Sarjeant & SDtancliffe, 1994 †
• Triangulina aspera Pöthé de Baldis, 1977 †
• Triangulina densus Sinha, Prasad & Srivastava, 1998 †
• Triangulina sanpetrensis (Cramer, 1966) Fensome et al., 1990 †