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

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