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Opilioacarida

Description

Opilioacariformes is the smallest order (or superorder) of mites, containing a single family, and around 10 genera. They are rare, large mites, and are widely considered primitive, as they retain six pairs of eyes, and abdominal segmentation. Opilioacariformes may be the sister group to the Parasitiformes.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)1158https://www.gbif.org/species/1158
PaleoBioDB ID (PBDB)219457https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=219457
Rankorder (GBIF)
suborder (PBDB)
Taxonomy (GBIF)Life : Animalia : Arthropoda : Arachnida : Opilioacarida
Taxonomy (PBDB)Life : Animalia : Arthropoda : Arachnida : Parasitiformes : Opilioacarida
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-Bilateria
-EubilateriaAx 1987
-ProtostomiaGrobben 1908
-Ecdysozoa
-Panarthropoda
phylumArthropodaLatreille 1829
subphylumChelicerataHeymons 1901
-EuchelicerataWeygoldt and Paulus 1979
-ProsomapodaLamsdell 2013
classXiphosura
orderXiphosuridaLatreille 1802
-PlanatergaLamsdell 2013
-DekatriataLamsdell 2013
-SclerophorataKamenz et al. 2011
classArachnidaLamarck 1801
orderParasitiformes
orderOpilioacarida
Scientific NameOpilioacarida
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Opilioacaridaorderbelongs to Acaristated with evidenceDunlop et al., 2010
Opilioacaridasuborderbelongs to Parasitiformesstated with evidenceDunlop et al., 2013
Status (PBDB)extant
Taxon Size (PBDB)7
Extant Size (PBDB)5 (71%)
First Recorded Appearance38.0 - 33.9 Ma
Paleogene
Environmentterrestrial (based on Arachnida)
Motilityactively mobile (based on Arachnida)
Visionlimited (based on Xiphosurida)
Dietcarnivore (based on Xiphosura)
Taphonomychitin (based on Arachnida)
Primary Reference (PBDB)J. A. Dunlop, C. Sempf, and J. Wunderlich. 2010. A new opilioacarid mite in Baltic Amber. In W. Nentwig, M. Entling, C. Kropf (eds.), European Arachnology 2008
Wikipediahttps://en.wikipedia.org/wiki/Opilioacarida

External Images

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Opilioacaroidea
superfamily
listed (PBDB)238.0 Ma
Eocene
0 Ma
Extant
Opilioacaridae
family
accepted (GBIF)
listed (PBDB)
238.0 Ma
Eocene
0 Ma
Extant

Synonymy List

YearName and Author
1952Opilioacarida Zachvatkin
2010Opilioacarida Dunlop et al.
2013Opilioacarida Dunlop et al. p. 57

References

Dunlop J. A., Sempf C., et al (2010) A new opilioacarid mite in Baltic Amber, European Arachnology 2008, 59-70
Dunlop J. A., Penney D., et al (2013) A summary list of fossil spiders and their relatives, The World Spider Catalog, version 14.0. American Museum of Natural History
Krantz, D.E. (2009) A Manual of Acarology (3rd ed.). Texas Tech University Press. ISBN 978-0-89672-620-8. - via Dyntaxa. Svensk taxonomisk databas
Harvey, Mark S., 2002: The neglected cousins: what do we know about the smaller arachnid orders?. The Journal of Arachnology, vol. 30, no. 2. 357-372. - via Integrated Taxonomic Information System (ITIS)
Krantz, G.W.; Walter, D.E. (2009). A Manual of Acarology. Third Edition. Texas Tech University Press; Lubbock, Texas, 807 pp, ISBN 978-0-89672-620-8. - via World Register of Marine Species
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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