Species

Orthograptus acutus (Lapworth, 1890)

Synonymy list

1890 Diplograptus (Orthograptus) calcaratus var. acutus — Lapworth

1907 Diplograptus (Orthograptus) calcaratus var. acutus — Elles et Wood , pp. 242, fig. 30:3a-c

1947 Diplograptus (Orthograptus) calcaratus var. acutus — Ruedemann , pp. 399, fig. 68:14-19

1960 Orthograptus calcaratus var. acutus — Berry , pp. 89, fig. 16:3-4

1963 Orthograptus calcaratus var. acutus — Ross et Berry , pp. 145, fig. 11:18; 12:1, 17

1964 Orthograptus acutus — Obut et Sobolevskaya , pp. 65-66, fig. 13:7

1976 Orthograptus acutus (Lapworth, 1890) — Tzaj , pp. 52-53, fig. 7:6

Selection of related publications

Tzaj, D. T. 1976. Graptolity srednego ordovika Kazahstana. pp. 1-76. Nauka.

Classification

References based on distribution