Echinodermata

Eutretocystis acutirostris Phleger, 1935

Synonymy list
1935     Eutretocystis acutirostris sp. nov. — Phleger, pp. 201, fig. 1:10
2016     Echinoencrinites Meyer, 1826 — Paul & Rozhnov, pp. 266
Selection of related publications
Phleger, F. B. 1935. Some Ordovician cystids from Russia. Harvard University Museum of Comparative Zoology Special Publication LXXVI, 5, 193-201.
References based on distribution