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Rhagodiscus

Photos

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4904378	https://www.gbif.org/species/4904378
PaleoBioDB ID (PBDB)	87857	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=87857

Rank

genus

Taxonomy (GBIF)

Life : Chromista : Haptophyta : Prymnesiophyceae : Eiffellithales : Rhagodiscaceae : Rhagodiscus

Taxonomy (PBDB)

Life : Haptophyta : Prymnesiophyceae : Eiffellithales : Rhagodiscaceae : Rhagodiscus

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Chromalveolata
phylum	Haptophyta	Hibberd ex Cavalier-Smith 1986
class	Prymnesiophyceae	Hibberd 1976
order	Eiffellithales	Rood et al. 1971
family	Rhagodiscaceae	Hay 1977
genus	Rhagodiscus	Reinhardt 1967

Scientific Name

Rhagodiscus Reinhardt, 1967

Name Published In

Neues Jb. Geol. Palaont. Mh. 1967

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Rhagodiscus	genus	belongs to Rhagodiscaceae	stated without evidence	Bown and Young, 1997

Taxon Size (PBDB)

First Recorded Appearance

136 - 130 Ma
Early/Lower Cretaceous

Environment

oceanic,oligotrophic,marine,brackish (based on Haptophyta)

Motility

passively mobile (based on Haptophyta)

Diet

photoautotroph (based on Haptophyta)

Taphonomy

low Mg calcite (based on Haptophyta)

Primary Reference (PBDB)

P. R. Bown and J. R. Young. 1997. Mesozoic calcareous nannoplankton classification. Journal of Nannoplankton Research. 19:21-36

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Chiastozygus cepekii species	accepted (GBIF) listed (PBDB)
Discolithus asper species	accepted (GBIF) listed (PBDB)	1	136 Ma Early/Lower Cretaceous	136 Ma Early/Lower Cretaceous
Mitosia infinitus species	accepted (GBIF) listed (PBDB)
Parhabdolithus achlyostaurion species	accepted (GBIF) listed (PBDB)
Rhabdolithus angustus species	accepted (GBIF) listed (PBDB)	1	93.5 Ma Late/Upper Cretaceous	93.5 Ma Late/Upper Cretaceous
Rhabdolithus splendens species	accepted (GBIF) listed (PBDB)
Rhagodiscus adinfinitus species	accepted (GBIF) listed (PBDB)
Rhagodiscus amplus species	accepted (GBIF) listed (PBDB)
Rhagodiscus dekaenelii species	accepted (GBIF) listed (PBDB)
Rhagodiscus gallagheri species	accepted (GBIF) listed (PBDB)
Rhagodiscus hamptonii species	accepted (GBIF) listed (PBDB)
Rhagodiscus indistinctus species	accepted (GBIF) listed (PBDB)
Rhagodiscus nebulosus species	accepted (GBIF) listed (PBDB)
Rhagodiscus plebeius species	accepted (GBIF) listed (PBDB)
Rhagodiscus pseudoangustus species	accepted (GBIF) listed (PBDB)
Rhagodiscus reniformis species	accepted (GBIF) listed (PBDB)	1	83.5 Ma Late/Upper Cretaceous	83.5 Ma Late/Upper Cretaceous
Rhagodiscus robustus species	accepted (GBIF) listed (PBDB)
Rhagodiscus sageri species	accepted (GBIF) listed (PBDB)

Obsolete Names

Name	Source	Taxon Rank	Taxonomy
Rhagdodiscus	GBIF	genus	Chromista : Haptophyta : Prymnesiophyceae : Eiffellithales : Rhagodiscaceae : *Rhagdodiscus*
Viminites M.Black, 1975	GBIF	genus	Chromista : Haptophyta : Prymnesiophyceae : Eiffellithales : Rhagodiscaceae : *Viminites*

Synonymy List

Year	Name and Author
1967	Rhagodiscus Reinhardt
1971	Mitosia Worsley
1997	Rhagodiscus Bown and Young

References

Bown P. R., Young J. R. (1997) Mesozoic calcareous nannoplankton classification., Journal of Nannoplankton Research. 19, 21-36

Guiry, M.D. & Guiry, G.M. (2019). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. - via World Register of Marine Species

CoL2006 - via The Interim Register of Marine and Nonmarine Genera

Farr, E. R.; Zijlstra, G. (eds). (1996-current). Index Nominum Genericorum (ING). A compilation of generic names published for organisms covered by the ICN: International Code of Nomenclature for Algae, Fungi, and Plants. [previously: organisms covered by the International Code for Botanical Nomenclature]. Web publication, available at http://botany.si.edu/ing/ (accessed August 2007). - via The Interim Register of Marine and Nonmarine Genera

Neues Jb. Geol. Palaont. Mh. 1967 - via The Interim Register of Marine and Nonmarine Genera

Nomenclator Zoologicus (authority adjusted) - via The Interim Register of Marine and Nonmarine Genera

SN2000: Brands, S. J. (compiler) 1989-2005. Systema Naturae 2000. Amsterdam, The Netherlands (2006 version). Available online at http://sn2000.taxonomy.nl/. - via The Interim Register of Marine and Nonmarine Genera

as per family - via The Interim Register of Marine and Nonmarine Genera

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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