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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
RankNameAuthor
kingdomAnimaliaLinnaeus 1758
Bilateria
EubilateriaAx 1987
ProtostomiaGrobben 1908
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
subphylumChelicerataHeymons 1901
classPycnogonidaLatreille 1810
Unranked entries are considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors may disagree about how to rank taxa.
Scientific NamePycnogonida
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
Wikipediahttps://en.wikipedia.org/wiki/Pycnogonida

External Images

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Nectopantopoda
order
acceptedNo associated record in PBDB
Palaeoisopoda
order
accepted0
Palaeopantopoda
order
accepted0
Pantopoda
order
accepted00 Ma
Extant
Palaeomarachne
genus
acceptedNo associated record in PBDB
Pentapantopus
genus
acceptedNo 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!
 
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