Brachiopoda
Species

Isorthis slitensis Walmsley, 1965

Synonymy list
1965     Isorthis slitensis — Walmsley , pp. 467 , fig. 62:23-25
1967     Protocortezorthis slitensis (Walmsley) — Johnson & Talent , pp. 155
1974     Isorthis slitensis Walmsley, 1965 — Bassett & Cocks , pp. 10