Strandoceras sphinx (Schmidt, 1858)

1858     Phragmoceras sphynx — Schmidt, pp. 200

1930     Protophragmoceras sphinx — Teichert, pp. 270, 299-301, fig. 7:20; 8:24; text fig. 3,4

1934     Protophragmoceras sphynx — Strand, pp. 93

1957     Strandoceras sphynx — Flower in Flower & Teichert, pp. 57, 114, fig. text fig. 15c,g-h

1975     Strandoceras sphinx — Balashov, pp. 69, fig. 2:1

1984     Protophragmoceras sphinx — Dzik, pp. 48, 52, 65, fig. 7:7; text fig. 14.5