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Polysitum ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4718469	https://www.gbif.org/species/4718469
PaleoBioDB ID (PBDB)	153487	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=153487

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Arthropoda : Insecta : Coleoptera : Hydrophilidae : Polysitum

Taxonomy (PBDB)

Life : Animalia : Arthropoda : Insecta : Coleoptera : Polysitum

Taxonomic Status (GBIF)

accepted

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
-	Pancrustacea
superclass	Hexapoda	Latreille 1825
-	Cercofilata	Kukalová-Peck 1987
class	Insecta	Linnaeus 1758
-	Dicondylia
-	Paranotalia	Sroka et al. 2014
subclass	Pterygota	Brauer 1885
-	Neopterygota	Crampton 1924
infraclass	Neoptera	Martynov 1923
-	Holometabola
-	Aparaglossata
-	Coleopterida	Kukalová-Peck and Lawrence 2004
order	Coleoptera	Linnaeus 1758
suborder	Polyphaga	Emery 1886
genus	Polysitum	Tillyard 1923

Scientific Name

Polysitum Tillyard, 1923

Name Published In

Publ. Queensland Geol. Surv., No. 273

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Polysitum	genus	belongs to Permosynidae	stated with evidence	Rohdendorf, 1961
Polysitum	genus	belongs to Ademosynidae	stated with evidence	Lin, 1986
Polysitum	genus	belongs to Polyphaga	stated with evidence	Ponomarenko, 2014

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

260 - 252 Ma
Permian

Last Recorded Appearance

125 - 101 Ma
Early/Lower Cretaceous

Environment

terrestrial (based on Insecta)

Motility

actively mobile (based on Arthropoda)

Taphonomy

chitin (based on Insecta)

Primary Reference (PBDB)

B. Dunstan. 1923. Mesozoic insects of Queensland Part I - introduction and Coleoptera. Queensland Geological Survey Publication 273:1-89

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Polysitum elongatum ✝ species	listed (PBDB)		1	170 Ma Middle Jurassic	170 Ma Middle Jurassic
Polysitum hosbayari ✝ species	accepted (GBIF) listed (PBDB)		1	125 Ma Early/Lower Cretaceous	125 Ma Early/Lower Cretaceous
Polysitum kuznetskiense ✝ species	accepted (GBIF) listed (PBDB)		1	260 Ma Permian	260 Ma Permian
Polysitum latum ✝ species	accepted (GBIF) listed (PBDB)		1	170 Ma Middle Jurassic	170 Ma Middle Jurassic
Polysitum majus ✝ species	accepted (GBIF) listed (PBDB)		1	133 Ma Early/Lower Cretaceous	133 Ma Early/Lower Cretaceous
Polysitum minutum species	accepted (GBIF)	No associated record in PBDB
Polysitum minutus ✝ species	listed (PBDB)		1	228 Ma Late/Upper Triassic	228 Ma Late/Upper Triassic
Polysitum ovale ✝ species	accepted (GBIF) listed (PBDB)		1	152 Ma Late Jurassic	152 Ma Late Jurassic
Polysitum punctatum species	accepted (GBIF)	No associated record in PBDB
Polysitum punctatus ✝ species	listed (PBDB)		1	228 Ma Late/Upper Triassic	228 Ma Late/Upper Triassic
Polysitum rugosum ✝ species	accepted (GBIF) listed (PBDB)		1	125 Ma Early/Lower Cretaceous	125 Ma Early/Lower Cretaceous
Polysitum sharategense ✝ species	accepted (GBIF) listed (PBDB)		1	152 Ma Late Jurassic	152 Ma Late Jurassic
Polysitum wudenghaoensis ✝ species	accepted (GBIF) listed (PBDB)		1	129 Ma Early/Lower Cretaceous	129 Ma Early/Lower Cretaceous

Synonymy List

Year	Name and Author
1923	Polysitum Dunstan p. 40
1961	Polysitum Rohdendorf p. 468
1986	Polysitum Lin p. 74
1992	Polysitum Carpenter
2014	Polysitum Ponomarenko p. 1665

References

Dunstan B. (1923) Mesozoic insects of Queensland Part I - introduction and Coleoptera, Queensland Geological Survey Publication 273, 1-89

Rohdendorf B. B. (1961) Superorder Coleopteroidea, in Paleozoiskie nasekomye kuznetskogo basseina, Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 85, 393-469

Lin Q. B. (1986) Early Mesozoic fossil insects from South China, Palaeontologia Sinica, Series B 170, 1-112

Carpenter F. M. (1992) , Treatise on Invertebrate Paleontology Part R, Arthropoda 4: Superclass Hexapoda 3/4, 1-655

Ponomarenko A. G. (2014) Coleoptera, in Upper Jurassic Lagerstätte Shar Teg, southwestern Mongolia, Paleontological Journal 48, 1658-1671

Hallan, J. (2000-current). Biology Catalog. Web compilation accessible at http://bug.tamu.edu/research/collection/hallan/ (accessed June 2012). - via The Interim Register of Marine and Nonmarine Genera

NZ cross ref or inferred from publ. title - via The Interim Register of Marine and Nonmarine Genera

Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera

Publ. Queensland Geol. Surv., No. 273 - 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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