Retiolitidae

Retiolitidae is an extinct family of graptolites. One subfamily, the Retiolitinae, is characterized by meshwork-like tubaria.

Retiolitidae Temporal range:
Scientific classification
Kingdom:	Animalia
Phylum:	Hemichordata
Class:	Pterobranchia
Subclass:	Graptolithina
Order:	†Graptoloidea
Suborder:	†Axonophora
Infraorder:	†Neograptina
Superfamily:	†Retiolitoidea Lapworth, 1873
Family:	†Retiolitidae Lapworth, 1873

Genera

List of genera from the Treatise on Invertebrate Paleontology:

Subfamily Petalolithinae

Ancorate taxa

• †Petalolithus Suess, 1851
• †Cephalograptus Hopkinson, 1869
• †Dischidiograptus Ni, 1978
• †Dimorphograptoides Koren’ & Rickards, 1996
• †Dittograptus Obut & Sobolevskaya, 1968 in Obut et al. (1968)
• †Hercograptus Melchin, 1999
• †Pseudorthograptus Legrand, 1987
• †Spinadiplograptus Hundt, 1965
• †Victorograptus Koren’ & Rickards, 1996

Non-ancorate taxa

• †Agetograptus Obut & Sobolevskaya in Obut et al., 1968
• †Comograptus Obut & Sobolevskaya, 1968 in Obut et al. (1968)
• †Glyptograptus Lapworth, 1873
• †Paramplexograptus Melchin et al., 2011
• †Parapetalolithus Koren’ & Rickards, 1996
• †Petalograptus Suess, 1851
• †Rivagraptus Koren’ & Rickards, 1996
• †Sudburigraptus Koren’ & Rickards, 1996

Subfamily Retiolitinae

• †Retiolites Barrande, 1850
• †Aeroretiolites Melchin et al, 2017
• †Baculograptus Lenz & Kozłowska-Dawidziuk, 2002
• †Cometograptus Kozłowska-Dawidziuk, 2001
• †Dabashanograptus Ge, 1990
• †Doliograptus Lenz & Kozłowska-Dawidziuk, 2002
• †Eiseligraptus Hundt, 1965
• †Eisenackograptus Kozłowska-Dawidziuk, 1990
• †Eorograptus Sennikov, 1984
• †Giganteograptus Lenz & Kozłowska, 2007
• †Gothograptus Frech, 1897
• †Hoffmanigraptus Kozłowska, 2021
• †Holoretiolites Eisenack, 1951
• †Kirkigraptus Kozłowska & Bates, 2008
• †Neogothograptus Kozłowska-Dawidziuk, 1995
• †Papiliograptus Lenz & Kozłowska, 2002
• †Paraplectograptus Přibyl, 1948a
• †Pileograptus Lenz & Kozłowska, 2007
• †Plectodinemagraptus Kozłowska-Dawidziuk, 1995
• †Plectograptus Moberg & Törnquist, 1909
• †Pseudoplegmatograptus Přibyl, 1948b
• †Pseudoretiolites Bouček & Münch, 1944
• †Reticuloplectograptus Kozłowska, Bates & Piras, 2010
• †Rotaretiolites Bates & Kirk, 1992
• †Sagenograptoides Lenz & Kozłowska, 2010
• †Semigothograptus Kozłowska, 2016
• †Semiplectograptus Kozłowska-Dawidziuk, 1995
• †Sokolovograptus Obut & Zaslavskaya, 1976
• †Spinograptus Bouček & Münch, 1952
• †Stomatograptus Tullberg, 1883
• †Valentinagraptus Piras, 2006
• †Virgellograptus Kozłowska, 2015

Uncertain genera

• †Demicystograptus Hundt, 1950
• †Mirorgraptus Lenz & Kozłowska, 2007
• †Neoglyptograptus Rickards et al, 1995
• †Parademicystograptus Hundt, 1950
• †Thecocystograptus Hundt, 1950