1950  Wagenoceras oyensi Gerth: 250.
     1960  Demarezites oyensi.-Rzhentsev: fig.100c.
     1987  Demarezites oyensi.-Glenister & Furnish: 994, fig.4.8,4.9,5.1.

Lectotype: E229 Univ.Amsterdam, by Glenister & Furnish, 1987, p.994.

Fig. see TAX2862 C (suture), TAX5373, 1 (suture).