Lithobius (Lithobius) forficatus biungulatus Negrea, 1965
The valid name for Lithobius (Lithobius) forficatus biungulatus Negrea, 1965 is Lithobius forficatus (Linnaeus,1758)
Lithobius (Lithobius) forficatus biungulatus Negrea, 1965.
Original description: Negrea S. (1965). Nouvelles données sur les Lithobiidae (Chilopoda) cavernicoles de la Roumanie - Lucrarile Institutului de Speologie "Emil Racovita", Bucharest, 4: 155-169, see p. 158, fig. 2.
Order: Lithobiomorpha
Original rank: varietas
Family: Lithobiidae
Original genus: Lithobius Leach, 1814.
Type locality: Romania: Banat: pestera de la Izvoru Infundat
Synonymy: Eason E.H. (1970).On certain characters used to separate species and subspecies in the Lithobiidae - Bulletin du Muséum National d'Histoire Naturelle, Paris, (2)41 suppl. 2: 58-60, see p. 58.