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{{Short description|Star-like fossil imprints}}
{{unreferenced|date=July 2016}}
{{Ichnobox
{{italictitle}}
{{Automatic taxobox
| fossil_range = {{fossil range|Ordovician|Holocene}}
| fossil_range = {{fossil range|Ordovician|Holocene}}
| image = AsteriacitesUtah.jpg
| image = AsteriacitesUtah.jpg
| image_caption = ''Asteriacites lumbricalis'', a [[trace fossil]] of an [[ophiuroid]] echinoderm; [[Carmel Formation]] (Middle Jurassic), near Gunlock, [[Utah]]
| image_caption = ''Asteriacites lumbricalis'', a [[trace fossil]] of an [[ophiuroid]] echinoderm; [[Carmel Formation]] (Middle Jurassic), near Gunlock, [[Utah]]
| taxon = Asteriacites
| taxon = Asteriacites
| authority = [[Ernst Friedrich, Baron von Schlotheim|von Schlotheim]], 1820
| taxon_authority = Mángano ''et al.'', 1999
| subdivision_ranks = Species
| subdivision_ranks = Ichnospecies
| subdivision_ref = <ref name="KnaustNeumann2016">{{cite journal|last1=Knaust|first1=Dirk|last2=Neumann|first2=Christian|year=2016|title=''Asteriacites'' von Schlotheim, 1820 – the oldest valid ichnogenus name – and other asterozoan-produced trace fossils|journal=Earth-Science Reviews|volume=157|pages=111-120|issn=0012-8252|doi=10.1016/j.earscirev.2016.04.003}} {{erratum|doi=10.1016/j.earscirev.2017.02.005|checked=yes}}</ref>
| subdivision =
*''Asteroacites lumbricallis'' <small>Wilson & Rigby, 2000</small>
| subdivision = *{{extinct}}''Asteriacites lumbricallis'' <small>von Schlotheim, 1820</small>
*{{extinct}}''Asteriacites stelliformis'' <small>(Miller & Dyer, 1878) Osgood, 1970</small>
*{{extinct}}''Asteriacites quinquefolius'' <small>(Quenstedt, 1876) Seilacher, 1953</small>
| synonyms_ref = <ref name="KnaustNeumann2016"/>
| synonyms = ''Heliophycus'' <small>Miller & Dyer, 1878</small>
}}
}}


'''''Asteriacites''''' is the name given to five-rayed [[trace fossil]]s found in marine sedimentary rocks (Mángano ''et al.'', 1999; Wilson and Rigby, 2000). They record the burrows of [[ophiuroid]] and [[starfish|asteroid]] sea stars on the sea floor. ''Asteriacites'' are found in European and American rocks, from the [[Ordovician]] period onwards, and are especially numerous in the [[Jurassic]] system.
'''''Asteriacites''''' is the name given to five-rayed [[trace fossil]]s found in marine sedimentary rocks. They record the burrows of [[ophiuroid]] and [[starfish|asteroid]] sea stars on the sea floor. ''Asteriacites'' are found in European and American rocks, from the [[Ordovician]] period onwards, and are especially numerous in the Triassic and [[Jurassic]] systems.<ref>{{cite journal|last1=Mángano|first1=M.G.|last2=Buatois|first2=L.A.|last3=West|first3=R.R.|last4=Maples|first4=C.G.|year=1999|title=The origin and paleoecologic significance of the trace fossil ''Asteriacites'' in the Pennsylvanian of Kansas and Missouri|journal=Lethaia|volume=32|issue=1 |pages=17–30 |doi=10.1111/j.1502-3931.1999.tb00577.x|bibcode=1999Letha..32...17M }}</ref><ref>{{cite journal|last1=Wilson|first1=M.A.|last2=Rigby|first2=J.K.|year=2000|title=''Asteriacites lumbricalis'' von Schlotheim 1820: ophiuroid trace fossils from the Lower Triassic Thaynes Formation, central Utah|journal=Ichnos|volume=7|issue=1 |pages=43–49|doi=10.1080/10420940009380145|bibcode=2000Ichno...7...43W |s2cid=129314190}}</ref><ref name=":0">Baucon, A., Neto de Carvalho, C. 2016. Stars of the aftermath: ''Asteriacites'' beds from the Lower Triassic of the Carnic Alps (Werfen Formation, Sauris di Sopra), Italy. Palaios 31. Abstract available at http://www.tracemaker.com</ref>


Dense assemblages of ''Asteriacites'' ('''Asteriacites'' beds') are considered proxies for marine settings, low bioturbation intensity, shallow tiering, high sedimentation rate and/or event-bed deposition, significant levels of hydrodynamic energy, and low predation pressure.<ref name=":0" />
⚫
== Gallery ==

⚫
==Gallery==
<gallery>
<gallery>
File:AsteriacitesDevonianOhio.jpg|''Asteriacites'' from the Devonian of northeastern Ohio; this trace was made by an asteroid echinoderm
File:AsteriacitesDevonianOhio.jpg|''Asteriacites'' from the Devonian of northeastern Ohio; this trace was made by an asteroid echinoderm
Line 20: Line 25:
</gallery>
</gallery>


== References ==
==References==
{{reflist}}

== Further reading ==
* {{cite journal|last1=Mángano|first1=M.G.|last2=Buatois|first2=L.A.|last3=West|first3=R.R.|last4=Maples|first4=C.G.|year=1999|title=The origin and paleoecologic significance of the trace fossil ''Asteriacites'' in the Pennsylvanian of Kansas and Missouri|url =|journal=Lethaia|volume=32|issue =|pages=17–30 |doi=10.1111/j.1502-3931.1999.tb00577.x}}
* {{cite journal|last1=Wilson|first1=M.A.|last2=Rigby|first2=J.K.|year=2000|title=''Asteriacites lumbricalis'' von Schlotheim 1820: ophiuroid trace fossils from the Lower Triassic Thaynes Formation, central Utah|url =|journal=Ichnos|volume=7|issue =|pages=43–49|doi=10.1080/10420940009380145}}

== External links ==
{{Commons category|position=left|Asteriacites}}
{{Commons category|position=left|Asteriacites}}
{{Reflist}}


{{Taxonbar|from=Q4810660}}
{{-}}

{{-}}


[[Category:Asteroidea]]
[[Category:Prehistoric Asterozoa genera]]
[[Category:Devonian echinoderms]]
[[Category:Devonian echinoderms]]
[[Category:Silurian echinoderms]]
[[Category:Silurian echinoderms]]

Revision as of 17:08, 12 April 2024

Asteriacites
Temporal range: Ordovician–Holocene
Asteriacites lumbricalis, a trace fossil of an ophiuroid echinoderm; Carmel Formation (Middle Jurassic), near Gunlock, Utah
Trace fossil classification Edit this classification
Ichnofamily: †Asteriacitidae
Ichnogenus: †Asteriacites
von Schlotheim, 1820
Ichnospecies[1]
  • †Asteriacites lumbricallis von Schlotheim, 1820
  • †Asteriacites stelliformis (Miller & Dyer, 1878) Osgood, 1970
  • †Asteriacites quinquefolius (Quenstedt, 1876) Seilacher, 1953
Synonyms[1]

Heliophycus Miller & Dyer, 1878

Asteriacites is the name given to five-rayed trace fossils found in marine sedimentary rocks. They record the burrows of ophiuroid and asteroid sea stars on the sea floor. Asteriacites are found in European and American rocks, from the Ordovician period onwards, and are especially numerous in the Triassic and Jurassic systems.[2][3][4]

Dense assemblages of Asteriacites ('Asteriacites beds') are considered proxies for marine settings, low bioturbation intensity, shallow tiering, high sedimentation rate and/or event-bed deposition, significant levels of hydrodynamic energy, and low predation pressure.[4]

Gallery

  • Asteriacites from the Devonian of northeastern Ohio; this trace was made by an asteroid echinoderm
    Asteriacites from the Devonian of northeastern Ohio; this trace was made by an asteroid echinoderm
  • Bedding plane view of Asteriacites from the Snapper Point Formation (Permian), New South Wales
    Bedding plane view of Asteriacites from the Snapper Point Formation (Permian), New South Wales

References

Wikimedia Commons has media related to Asteriacites.
  1. ^ a b Knaust, Dirk; Neumann, Christian (2016). "Asteriacites von Schlotheim, 1820 – the oldest valid ichnogenus name – and other asterozoan-produced trace fossils". Earth-Science Reviews. 157: 111–120. doi:10.1016/j.earscirev.2016.04.003. ISSN 0012-8252. (Erratum: doi:10.1016/j.earscirev.2017.02.005)
  2. ^ Mángano, M.G.; Buatois, L.A.; West, R.R.; Maples, C.G. (1999). "The origin and paleoecologic significance of the trace fossil Asteriacites in the Pennsylvanian of Kansas and Missouri". Lethaia. 32 (1): 17–30. Bibcode:1999Letha..32...17M. doi:10.1111/j.1502-3931.1999.tb00577.x.
  3. ^ Wilson, M.A.; Rigby, J.K. (2000). "Asteriacites lumbricalis von Schlotheim 1820: ophiuroid trace fossils from the Lower Triassic Thaynes Formation, central Utah". Ichnos. 7 (1): 43–49. Bibcode:2000Ichno...7...43W. doi:10.1080/10420940009380145. S2CID 129314190.
  4. ^ a b Baucon, A., Neto de Carvalho, C. 2016. Stars of the aftermath: Asteriacites beds from the Lower Triassic of the Carnic Alps (Werfen Formation, Sauris di Sopra), Italy. Palaios 31. Abstract available at http://www.tracemaker.com


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