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Ophiarachna

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	2276472	https://www.gbif.org/species/2276472
PaleoBioDB ID (PBDB)	53813	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=53813

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Echinodermata : Ophiuroidea : Ophiacanthida : Ophiomyxidae : Ophiarachna

Taxonomy (PBDB)

Life : Animalia : Echinodermata : Ophiuroidea : Ophiurida : Ophiodermatidae : Ophiarachna

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Triploblastica	Lankester 1877
-	Nephrozoa	Jondelius et al. 2002
-	Deuterostomia	Grobben 1908
-	Ambulacraria
phylum	Echinodermata	Klein 1754
subphylum	Asterozoa	von Zittel 1895
class	Ophiuroidea	Gray 1840
order	Ophiurida
infraorder	Ophiodermatina	Smith et al. 1995
family	Ophiodermatidae	Ljungman 1867
genus	Ophiarachna	Müller & Troschel 1842

Scientific Name

Ophiarachna Müller & Troschel, 1842

Name Published In

Syst. Asterid., 84

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Ophiarachna	genus	belongs to Ophiarachninae	stated without evidence	Matsumoto, 1915
Ophiarachna	genus	belongs to Ophiodermatidae	stated without evidence	Spencer and Wright, 1966
Ophiarachna	genus	belongs to Ophiocomidae	stated without evidence	Jagt, 2000
Ophiarachna	genus	belongs to Ophiodermatidae	stated without evidence	Kutscher and Villier, 2003

Status (PBDB)

extant

Taxon Size (PBDB)

Extant Size (PBDB)

1 (33%)

First Recorded Appearance

183 - 182 Ma
Early Jurassic

Environment

marine (based on Ophiuroidea)

Motility

actively mobile (based on Ophiodermatidae)

Vision

blind (based on Ophiuroidea)

Diet

carnivore, detritivore (based on Ophiodermatidae)

Reproduction

dispersal=water,planktonic (based on Echinodermata)

Ontogeny

accretion,addition of parts (based on Echinodermata)

Taphonomy

high Mg calcite (based on Ophiuroidea)

Primary Reference (PBDB)

J. Müller and F.H. Troschel. 1842. System der Asteriden. F. Vieweg & Sohn, Braunschweig

External Images

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Ophiarachna affinis species	accepted (GBIF)	No associated record in PBDB
Ophiarachna delicata species	accepted (GBIF)	No associated record in PBDB
Ophiarachna incrassata species	accepted (GBIF)	No associated record in PBDB
Ophiarachna liasica ✝ species	accepted (GBIF) listed (PBDB)		6	183 Ma Early Jurassic	176 Ma Early Jurassic
Ophiarachna martinblomi ✝ species	accepted (GBIF) listed (PBDB)		1	70.6 Ma Late/Upper Cretaceous	70.6 Ma Late/Upper Cretaceous
Ophiarachna mauritiensis species	accepted (GBIF)	No associated record in PBDB
Ophiarachna megacantha species	accepted (GBIF)	No associated record in PBDB
Ophiarachna ohshimai species	accepted (GBIF)	No associated record in PBDB
Ophiarachna quinquespinosa species	accepted (GBIF)	No associated record in PBDB
Ophiarachna robillardi species	accepted (GBIF)	No associated record in PBDB

Obsolete Names

Name	Source	Taxon Rank	Taxonomy
Aphiarachna Delage & Hérouard, 1903	GBIF	genus	Animalia : Echinodermata : Ophiuroidea : Ophiacanthida : Ophiomyxidae : *Aphiarachna*

Synonymy List

Year	Name and Author
1842	Ophiarachna Müller and Troschel
1915	Ophiarachna Matsumoto p. 83
1966	Ophiarachna Spencer and Wright p. U97
2000	Ophiarachna Jagt p. 26
2003	Ophiarachna Kutscher and Villier

References

Müller J., Troschel F.H. System der Asteriden, F. Vieweg & Sohn, Braunschweig, 1-147

Matsumoto H. (1915) A new classification of Ophiuroidea: with description of genera and species, Proceedings of the Academy of Natural Sciences of Philadelphia 67, 43-92

Spencer W. K., Wright C.W. (1966) Asterozoans, Moore R.C. ed, Treatise on invertebrate paleontology, Echinodermata, University of Kansas Press and the Geological Society of America 3 1, U4-U107

Jagt J. W. M. (2000) Late Cretaceous-Early Paleocene echinoderms and the K/T boundary in the southeast Netherlands and the northeast Belgium. - part 3: Ophiuroids, Scripta Geologica 21, 1-179

Kutscher M, Villier L (2003) Ophiuroid remains from the Toarcian of Sainte-Verge (Deux-Sevres, France): paleobiological perspectives, Géobios 36 2, 179-194

O'Hara, T. D.; Stöhr, S.; Hugall, A. F.; Thuy, B.; Martynov, A. (2018). Morphological diagnoses of higher taxa in Ophiuroidea (Echinodermata) in support of a new classification. European Journal of Taxonomy. (416). - via World Register of Marine Species

Clark H.L. (1909). Notes on some Australian and Indo-Pacific echinoderms. Bulletin of the Museum of Comparative Zoology 52: 107-135. - via World Register of Marine Species

Neave, Sheffield Airey. (1939-1996). Nomenclator Zoologicus vol. 1-10 Online. [developed by uBio, hosted online at MBLWHOI Library]. - via World Register of Marine Species

Aphia2006 - 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

SN2000: Brands, S. J. (compiler) 1989-2005. Systema Naturae 2000. Amsterdam, The Netherlands (2006 version). Available online at http://sn2000.taxonomy.nl/. - via The Interim Register of Marine and Nonmarine Genera

Syst. Asterid., 84 - via The Interim Register of Marine and Nonmarine Genera

WoRMS (Mar 2013) - via The Interim Register of Marine and Nonmarine Genera

SN2000, PaleoDB - 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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