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Pycnogonida

Description

Sea spiders, also called Pantopoda or pycnogonids, ('pycno-' closely packed, 'gonid' gonidia) are marine arthropods of class Pycnogonida. They are cosmopolitan, found in oceans around the world. There are over 1300 known species, with a leg span ranging from 1 mm (0.04 in) to over 70 cm (2.3 ft). Most are toward the smaller end of this range in relatively shallow depths; however, they can grow to be quite large in Antarctic and deep waters.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)354https://www.gbif.org/species/354
PaleoBioDB ID (PBDB)19015https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=19015
Rankclass
Taxonomy (GBIF,PBDB)Life : Animalia : Arthropoda : Pycnogonida
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-Bilateria
-EubilateriaAx 1987
-ProtostomiaGrobben 1908
-Ecdysozoa
-Panarthropoda
phylumArthropodaLatreille 1829
subphylumChelicerataHeymons 1901
classPycnogonidaLatreille 1810
Common Namesea spider
Scientific NamePycnogonida
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Pycnogonidaclassbelongs to Arthropodasecond handSepkoski, 2002
Pycnogonidaclassbelongs to Cheliceratastated without evidenceSiveter et al., 2004
Status (PBDB)extant
Taxon Size (PBDB)11
Extant Size (PBDB)2 (18%)
First Recorded Appearance433 - 427 Ma
Silurian
Motilityactively mobile
Visionlimited
Dietcarnivore
Primary Reference (PBDB)J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560
Common Name(s) Sea Spiders, Sea Spider, Havsspindlar, Zeespinnen, ウミグモ
Wikipediahttps://en.wikipedia.org/wiki/Pycnogonida

External Images

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Nectopantopoda
order
accepted (GBIF)No associated record in PBDB
Palaeoisopoda
order
accepted (GBIF)
listed (PBDB)
Palaeopantopoda
order
accepted (GBIF)
listed (PBDB)
Pantopoda
order
accepted (GBIF)
listed (PBDB)
0 Ma
Extant
Austrodecus
genus
accepted (GBIF)
listed (PBDB)
Haliestes
genus
accepted (GBIF)
listed (PBDB)
1433 Ma
Silurian
433 Ma
Silurian
Palaeoisopus
genus
accepted (GBIF)
listed (PBDB)
1409 Ma
Early Devonian
409 Ma
Early Devonian
Palaeomarachne
genus
accepted (GBIF)No associated record in PBDB
Palaeopantopus
genus
accepted (GBIF)
listed (PBDB)
1409 Ma
Early Devonian
409 Ma
Early Devonian
Palaeothea
genus
accepted (GBIF)
listed (PBDB)
1409 Ma
Early Devonian
409 Ma
Early Devonian
Pentapantopus
genus
accepted (GBIF)No associated record in PBDB

Synonymy List

YearName and Author
1810Pycnogonida Latreille
2002Pycnogonida Sepkoski, Jr.
2004Pycnogonida Siveter et al. p. 978
2012Pycnogonida Nielsen p. 240 figs. Fig. 44.2

References

Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560
Siveter D. J., Sutton M. D., et al (2004) A Silurian sea spider, Nature 431, 978-980
Nielsen C. (2012) Animal Evolution : Interrelationships of the Living Phyla, 1-402
Integrated Taxonomic Information System (ITIS). - via World Register of Marine Species
Gärdenfors, Ulf, Hall, Ragnar, Hallingbäck, Tomas, Hansson, Hans G. & Hedström, Lars (2003) Djur, svampar och växter i Sverige 2003. Förteckning över antal arter per familj. ArtDatabanken Rapporterar 5, ArtDatabanken, Uppsala. (reviderad excelfil med svenska djurfamiljer). - via Dyntaxa. Svensk taxonomisk databas
Integrated Taxonomic Information System (ITIS). - via World Register of Introduced Marine Species (WRiMS)
Hayward, P.J. & Ryland, J.S. (2002) - via Taxa Watermanagement the Netherlands (TWN)
Parker, S.P. (ed). (1982). Synopsis and Classification of Living Organisms. McGraw-Hill, New York. 2 volumes. - 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!
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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