Brachiopoda

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