Axonophora
Axonophora is an extinct suborder of graptolites. It primarily consists of the biserial graptolites, and also includes the retiolitids and monograptids.
Taxonomy
Taxonomy of Axonophora from Maletz :- Infraorder †Diplograptina Lapworth, 1880e
- *Family †Diplograptidae Lapworth, 1873b
- **Subfamily †Diplograptinae Lapworth, 1873b
- **Subfamily †Orthograptinae Mitchell, 1987
- *Family †Lasiograptidae Lapworth, 1880e
- *Family †Climacograptidae Frech, 1897
- *Family †Dicranograptidae Lapworth, 1873b
- **Subfamily †Dicranograptinae Lapworth, 1873b
- **Subfamily †Nemagraptinae Lapworth, 1873
- Infraorder †Neograptina Štorch et al., 2011
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- **Family †Normalograptidae Štorch & Serpagli, 1993
- **Family †Neodiplograptidae Melchin et al., 2011
- ***Subfamily †Neodiplograptinae Melchin et al. 2011
- ***Subfamily †Petalolithinae Bulman, 1955
- *Superfamily †Retiolitoidea Lapworth, 1873b
- **Family †Retiolitidae Lapworth, 1873b
- ***Subfamily †Retiolitinae Lapworth, 1873
- ***Subfamily †Plectograptinae Bouček & Münch, 1952
- *Superfamily †Monograptoidea Lapworth, 1873
- **Family †Dimorphograptidae Elles & Wood, 1908
- **Family †Monograptidae Lapworth, 1873b