Species

Didymograptus extensus (Hall, 1858)

Synonymy list

1858 Graptolithus extensus — Hall , pp. 132

1901 Didymograptus extensus — Elles & Wood , pp. 8-9, fig. 1:1a,v; text fig. 4a-d

1947 Didymograptus extensus — Ruedemann , pp. 331-332, fig. 55:16; 56:1,2

1960 Didymograptus extensus — Berry , pp. 60-61, fig. 6:5; 8:10

1976 Didymograptus extensus (hall) — Braithwaith , pp. 48, fig. 9:10, 11, 13

Classification