Pterobranchia - Graptoloidea - Diplograptidae
Synonym: Orthograptidae Mitchell 1987
Parent taxon: Diplograptina according to J. Maletz 2014
See also Bulman 1970, Kiessling 2008, Mitchell 1987, Mitchell et al. 2007 and Storch et al. 2011
Sister taxa: Climacograptoidea, Dicaulograptidae, Dicranograptidae, Dicranograptoidea, Lasiograptidae, Peiragraptidae
Subtaxa: Amplexograptus Anticostia Cephalograptus Corynoides Diplograptinae Diplograptus Orthograptinae Parareteograptus Peiragraptinae Rectograptus
Type: Diplograptus
Ecology: passively mobile planktonic suspension feeder
Distribution:
• Silurian of Argentina (1 collection), Canada (2: New Brunswick, Yukon), China (7), the Czech Republic (1), Denmark (5), Ireland (1), Morocco (3), Paraguay (2), the Russian Federation (3), Saudi Arabia (1), Serbia and Montenegro (4), Sweden (1), Thailand (1), the United Kingdom (14), United States (16: Alaska, Iowa, New York)
• Ordovician to Silurian of Canada (1: Québec), United States (2: Alaska)
• Ordovician of Argentina (9), Australia (1), Belgium (2), Bolivia (1), Canada (80: New Brunswick, Northwest Territories, Northwest Territories and Yukon, Northwest Terrorities, Nunavut, Ontario, Quebec, Québec, Yukon), China (118), the Czech Republic (8), Estonia (1), Kazakhstan (6), Latvia (1), Lithuania (1), Malaysia (2), New Zealand (22), North Korea (1), Norway (8), Peru (1), Portugal (5), the Russian Federation (18), South Korea (1), Spain (8), Sweden (17), the United Kingdom (8), United States (132: Alaska, Idaho, Iowa, Kentucky, Michigan, Minnesota, Nevada, New York, Ohio, Oklahoma, Pennsylvania, Tennessee, Texas, Virginia), Venezuela (1), Vietnam (1)
• Llandeilo of Canada (1: Northwest Territories), China (15), Spain (1), Sweden (1), the United Kingdom (1)
• Whiterockian of Canada (3: Newfoundland and Labrador)
• Ningkuo of China (6)
• Arenig of China (5)
• Arenigian of United States (1: Alaska)
Total: 552 collections including 956 occurrences