Species

Tetragraptus norvegicus (Monsen, 1937)

Synonymy list
1937     Isograptus caduceus (Salter pars) var. norvegicus n. var. — Monsen , pp. 154, fig. 5:5,12,14,18
1953     Isograptus norvegicus Monsen — Spjeldnaes , pp. 174, fig. 1:2,4,6; text fig. 1B,C,F
1992     Tetragraptus ( Tetragraptus ) isograptoides Geh — Maletz , pp. 99, fig. 49
2011     Tetragraptus (?) norvegicus (Monsen, 1937) — Maletz , pp. 271, fig. 1a?, 5a-i