Helosphaeridium Lister, 1970
Holotype species: Helosphaeridium clavispinulosum Lister
Original publication and holotype designation: Lister, T.R. (1970). The acritarchs and chitinozoa from the Wenlock and Ludlow series of the Ludlow and Millichope áreas, Shropshire. In: Monograph of the Palaentographical Society, London, 1-100. pl. 1-13. (Publ. No. 528, part of Vol. 124 for 1970. ( Eds)
Taxonomic status: currently recognized as a distinct genus.
Gender: This genus name is currently treated as neuter.
Fossil Range notes
Middle Silurian (Ludlovian). - (29 Oct 2020) - M.D. Guiry
This is a genus of fossil species, or a genus with a fossil type species, or a genus the type species of which was originally described as a fossil.
Numbers of names and species: There are 4 species names in the database at present.
Names: ('C' indicates a name that is accepted taxonomically; 'S' a homotypic or heterotypic synonym; 'U' indicates a name of uncertain taxonomic status, but which has been subjected to some verification nomenclaturally; 'P' indicates a preliminary AlgaeBase entry that has not been subjected to any kind of verification. For more information on a species click on it to activate a link to the Species database):
Click here to also show infraspecific names in the list below.
Verification of data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.
Created: 01 January 2004 by M.D. Guiry
Verified by: 29 October 2020 by M.D. Guiry
Linking to this page: http://www.algaebase.org/search/genus/detail/?genus_id=49829
Please cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 05 March 2021.