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Schistomerus

Description

Schistomerus is an extinct genus of predaceous diving beetle that is known from one species, Schistomerus californense, which inhabited Lake Barstow during the middle Miocene. It is the most common beetle found in the concretions from the Barstow Formation. The specimens are typically preserved in three dimensions.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)6994730https://www.gbif.org/species/6994730
PaleoBioDB ID (PBDB)153719https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=153719
Rankgenus
Taxonomy (GBIF)Life : Animalia : Arthropoda : Insecta : Coleoptera : Dytiscidae : Schistomerus
Taxonomy (PBDB)Life : Animalia : Arthropoda : Insecta : Coleoptera : Dytiscidae : Schistomerus
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-Bilateria
-EubilateriaAx 1987
-ProtostomiaGrobben 1908
-Ecdysozoa
-Panarthropoda
phylumArthropodaLatreille 1829
subphylumMandibulata
-Pancrustacea
superclassHexapodaLatreille 1825
-CercofilataKukalová-Peck 1987
classInsectaLinnaeus 1758
-Dicondylia
-ParanotaliaSroka et al. 2014
subclassPterygotaBrauer 1885
-NeopterygotaCrampton 1924
infraclassNeopteraMartynov 1923
-Holometabola
-Aparaglossata
-ColeopteridaKukalová-Peck and Lawrence 2004
orderColeopteraLinnaeus 1758
suborderAdephagaClairville 1806
familyDytiscidae
subfamilyHydroporinae
tribeSchistomeriniPalmer 1957
genusSchistomerusPalmer 1957
Scientific NameSchistomerus Palmer, 1957
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Schistomerusgenusbelongs to Schistomerinistated with evidencePalmer, 1957
Schistomerusgenusbelongs to Dytiscidaestated without evidenceCarpenter, 1992
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance20.4 - 16.0 Ma
Miocene
Last Recorded Appearance20.4 - 16.0 Ma
Miocene
Environmentterrestrial (based on Insecta)
Motilityactively mobile (based on Arthropoda)
Taphonomychitin (based on Insecta)
Primary Reference (PBDB)F. M. Carpenter. 1992. Treatise on Invertebrate Paleontology Part R, Arthropoda 4: Superclass Hexapoda 3/4:1-655
Wikipediahttps://en.wikipedia.org/wiki/Schistomerus

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Schistomerus californense
species
accepted (GBIF)
listed (PBDB)
2120.4 Ma
Miocene
20.4 Ma
Miocene

Synonymy List

YearName and Author
1957Schistomerus Palmer p. 259
1992Schistomerus Carpenter
2001Schistomerus Park and Downing p. 179

References

Carpenter F. M. (1992) , Treatise on Invertebrate Paleontology Part R, Arthropoda 4: Superclass Hexapoda 3/4, 1-655
Palmer A. R. (1957) Miocene arthropods from the Mojave desert, California, United States Geological Survey Professional Paper 294-G, 237-280
Park L. E., Downing K. F. (2001) Paleoecology of an exceptionally preserved arthropod fauna from lake deposits of the Miocene Barstow Formation, Southern California, U.S.A., Palaios 16 2, 175-184
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
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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