 | corals appeared. The planktonic graptolites remained diverse, with the Diplograptina making their appearance. One of the earliest known armoured agnathan... 69 KB (7,298 words) - 05:51, 18 March 2024 |
 | (biserial graptolites, and also retiolitids and monograptids) Infraorder †Diplograptina Lapworth, 1880 Family †Diplograptidae Lapworth, 1873 Subfamily †Diplograptinae... 35 KB (3,463 words) - 21:57, 14 April 2024 |
monograptids. Taxonomy of Axonophora from Maletz (2014): Infraorder †Diplograptina Lapworth, 1880e Family †Diplograptidae Lapworth, 1873b Subfamily †Diplograptinae... 3 KB (165 words) - 14:46, 7 February 2021 |
 | Dendroidea [†] Order Graptoloidea [†] Suborder Didymograptina [†] Suborder Diplograptina [†] Suborder Monograptina [†] Both invertebrate and vertebrate chordates;... 19 KB (1,588 words) - 22:36, 17 March 2024 |