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Platylichas ✝

Photos

Photo Gallery

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	Not linked to a GBIF record.
PaleoBioDB ID (PBDB)	19759	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=19759

Rank

genus (PBDB)

Taxonomy (PBDB)

Life : Animalia : Arthropoda : Trilobita : Lichida : Lichidae : Platylichas

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Bilateria
-	Eubilateria	Ax 1987
-	Protostomia	Grobben 1908
-	Ecdysozoa
-	Panarthropoda
phylum	Arthropoda	Latreille 1829
subphylum	Mandibulata
class	Trilobita	Walch 1771
order	Lichida	Moore 1959
family	Lichidae	Hawle and Corda 1847
subfamily	Lichinae	Hawle and Corda 1847
tribe	Platylichini	Pollitt et al. 2005
genus	Platylichas	(Gürich 1901)

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Platylichas	subgenus	belongs to Lichas	stated with evidence	Gürich, 1901
Platylichas	genus	belongs to Lichadidae	stated with evidence	Warburg, 1925
Platylichas	genus	belongs to Homolichinae	stated with evidence	Owen and Bruton, 1980
Platylichas	genus	belongs to Lichida	second hand	Sepkoski, 2002
Platylichas	genus	belongs to Lichidae	stated without evidence	Jell and Adrain, 2002
Platylichas	genus	belongs to Platylichini	stated with evidence	Pollitt et al., 2005

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

485 - 478 Ma
Paleozoic

Last Recorded Appearance

433 - 423 Ma
Silurian

Environment

marine (based on Trilobita)

Motility

fast-moving (based on Trilobita)

Vision

well-developed (based on Lichidae)

Diet

carnivore (based on Lichida)

Ontogeny

molting,addition of parts (based on Trilobita)

Ecospace Comments

BODY SIZE: Data from Harrington et al. (1959).

Taphonomy

minor spines (based on Platylichas)

Primary Reference (PBDB)

E. Warburg. 1939. The Swedish Ordovician and Lower Silurian Lichidae. Kundl. Svenska Vetenskapsakademiens Handlingar 17(4):1-162

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Platylichas (Rontrippia) ✝ subgenus	listed (PBDB)	2	453 Ma Late/Upper Ordovician	433 Ma Silurian
Platylichas bottniensis ✝ species	listed (PBDB)	1	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Platylichas cicatricosus ✝ species	listed (PBDB)	2	450 Ma Late/Upper Ordovician	450 Ma Late/Upper Ordovician
Platylichas docens ✝ species	listed (PBDB)
Platylichas fossulatus ✝ species	accepted (GBIF) listed (PBDB)
Platylichas hamatus ✝ species	listed (PBDB)
Platylichas infimus ✝ species	accepted (GBIF) listed (PBDB)	1	441 Ma Silurian	441 Ma Silurian
Platylichas latus ✝ species	listed (PBDB)	3	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Platylichas laxatus ✝ species	accepted (GBIF) listed (PBDB)	24	461 Ma Middle Ordovician	450 Ma Late/Upper Ordovician
Platylichas lingua ✝ species	accepted (GBIF) listed (PBDB)	4	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Platylichas margaritifer ✝ species	listed (PBDB)
Platylichas nasutus ✝ species	accepted (GBIF) listed (PBDB)	1	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Platylichas planifrons ✝ species	accepted (GBIF) listed (PBDB)
Platylichas robustus ✝ species	accepted (GBIF) listed (PBDB)	2	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Platylichas validus ✝ species	listed (PBDB)	1	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Platylichas warburgae ✝ species	accepted (GBIF) listed (PBDB)
Platylichas wegelini ✝ species	accepted (GBIF) listed (PBDB)	2	461 Ma Middle Ordovician	461 Ma Middle Ordovician

Synonymy List

Year	Name and Author
1901	Lichas (Platylichas) Gürich
1925	Platylichas Warburg
1939	Platylichas Warburg p. 104
1980	Platylichas Owen and Bruton
1981	Platylichas Owen
1982	Platylichas Owen and Harper
1988	Platylichas Thomas and Holloway p. 205
2002	Platylichas Jell and Adrain p. 426
2002	Platylichas Sepkoski, Jr.
2005	Platylichas Pollitt et al. p. 237

References

Warburg E. (1939) The Swedish Ordovician and Lower Silurian Lichidae, Kundl. Svenska Vetenskapsakademiens Handlingar 17 4, 1-162

Gürich G. (1901) Ueber eine neue Lichas-Art aus dem Devon von Neu-Sud-Wales und über de Gattung Lichas überhaupt, Neues Jahrbuch für Mineralogie, Geologie und Paläontologie 14, 519-539

Warburg E. (1925) The Trilobites of the Leptæna Limestone in Dalarne, Leptæna Limestone Trilobites, 1-446

Owen A. W., Bruton D. L. (1980) Late Caradoc-early Ashgill trilobites of the central Oslo Region, Norway, Paleontological Contributions from the University of Oslo. No. 245 245, 1-63

Owen A. W. (1981) The Ashgill Trilobites of the Oslo Region, Norway, Palaeontographica Abteilung A 175, 1-88

Owen A. W., Harper D. A. T. (1982) The Middle Ordovician of the Oslo Region, Norway, 31. The upper Caradoc trilobites and brachiopods from Vestbraten, Ringerike, Norsk Geologisk Tidsskrift 62, 95-120

Thomas A. T., Holloway D. J. (1988) Classification and phylogeny of the trilobite order Lichida, Philosophical Transactions of the Royal Society of London, B 321, 179-262

Jell P. A., Adrain J. M. (2002) Available generic names for trilobites, Memoirs of the Queensland Museum 48 2, 331-553

Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560

Pollitt J. R., Fortey R. A., et al (2005) Systematics of the trilobite families Lichidae Hawle & Corda, 1847 and Lichakephalidae Tripp, 1957: the application of Bayesian inference to morphological data, Journal of Systematic Palaeontology 3 3, 225-241 doi:10.1017/S1477201905001604

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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