RT Journal Article
T1 The Ordovician and Silurian benthic graptolite Ptilograptus Hall, 1865 (Graptolithina, Dendroidea)
A1 Maletz, Jörg
A1 Gutiérrez Marco, Juan Carlos
AB The genus Ptilograptus is re-described from its type species and a revision of the included taxa is attempted. The genus is widely distributed from the Darriwilian (Middle Ordovician) to the Ludlow (Ludfordian) or even the Přídolí (upper Silurian), but its origin is uncertain and may be much earlier. The characteristic zigzag shaped first order stipes and alternating lateral second order stipes formed through monoprogressive branching are characteristic and are not shared with other dendroid genera. Ptilograptus is transferred from the Callograptidae to the Dendrograptidae based on its stipe and thecal development. Notes on the validity of all 41 described Ptilograptus species are provided, of which 18 species are accepted as valid and useful.
PB Czech Geological Survey
SN 1214-1119
YR 2025
FD 2025-09-14
LK https://hdl.handle.net/20.500.14352/133731
UL https://hdl.handle.net/20.500.14352/133731
LA eng
NO Maletz, J., & Gutiérrez-Marco, J. C. (2025). The ordovician and silurian benthic graptolite ptilograptus hall, 1865(Graptolithina, dendroidea). Bulletin of Geosciences, 645-660. https://doi.org/10.3140/bull.geosci.1928
NO Deutsche Forschungsgemein- schaft
NO Ministerio de Ciencia, Innovación y Universidades
DS Docta Complutense
RD 20 mar 2026