Palaeocoma
Temporal range: Ladinian-Toarcian
~
Palaeocoma milleri, Lower Jurassic (Pliensbachian) England.
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Echinodermata
Class: Ophiuroidea
Order: Ophiurida
Family: incertae sedis
Genus: †Palaeocoma
d'Orbigny, 1850[1]
Species
  • Palaeocoma escheri
  • Palaeocoma milleri
  • Palaeocoma raiblana

Palaeocoma is an extinct genus of brittle stars that lived during the Middle Triassic to Early Jurassic Periods. Its fossils have been found in Europe.[2]

Distribution

The genus Palaeocoma was revised by Hess (1960, 1962)[3][4] and is known from the Middle Triassic (Ladinian) to the Lower Jurassic (Toarcian) with occurrences reported from the United Kingdom,[5][6] France,[7][8] Luxembourg,[9] Germany,[10] Switzerland,[3][4] Italy,[11] and Serbia and Montenegro.[12]

Type species

Palaeocoma milleri (Phillips, 1829)[13] [= P. gaveyi and P. egertoni according to Jaselli (2015, p. 192)], an Early Jurassic (Sinemurian and Pliensbachian) species recorded from France, Germany, Luxembourg, the United Kingdom and Lombardy in Italy.[14]

Synonymised names

Ophioderma carinata Wright, 1866[15]
Ophioderma egertoni (Broderip, 1840)[16]
Ophioderma gaveyi Wright, 1854[17]
Ophioderma milleri (Phillips, 1829)
Ophiura egertoni Broderip, 1840
Ophiura milleri Phillips, 1829
Ophiurella milleri (Phillips, 1829)
Palaeocoma egertoni (Broderip, 1840)
Palaeocoma gaveyi (Wright, 1854)

Other species

References

  1. ↑ Orbigny A. D. d'. (1850-1852). Prodrome de paléontologie stratigraphique universelle des animaux mollusques et rayonnés faisant suite au cours élémentaire de paléontologie et de géologie stratigraphiques. Paris: Masson. vol. 1 [January 1850 ("1849")]: lx + 394 pp.; vol. 2 [November 1850]: 427 pp.; vol. 3 [1852]: 389 pp.
  2. ↑ Cyril Walker, David Ward Fossils : Smithsonian Handbook, ISBN 0-7894-8984-8 (2002, paperback, revisited), ISBN 1-56458-074-1 (1992, 1st edition). Page 189.
  3. 1 2 Hess, H. (1960). "Ophioderma escheri Heer aus dem unteren Lias der Schambelen (Kt. Aargau) und verwandete Lias-Ophiuren aus England und Deutschland". Eclogae Geologicae Helvetiae (in German). 53: 757–793.
  4. 1 2 Hess, H. (1962). "Mikropaläontologische Untersuchungen an Ophiuren II. Die Ophiuren aus dem Lias (Pliensbachien-Toarcien) von Seewen (Kt. Solothurn)". Bericht der Schweitzerischen Palaeontologischen Gesellschaft. 55: 609–656.
  5. ↑ Hess, H. (1964). "Die Ophiuren des englischen Jura". Eclogae Geologicae Helvetiae. 57: 755–821.
  6. ↑ Kutscher, M. (1996). "Echinodermata aus dem Ober-Toarcium und Aalenium Deutschlands II: Ophiuroidea". Stuttgarter Beiträge zur Naturkunde, serie B, Geologie und Paläontologie. 242: 1–33.
  7. ↑ Thuy, B. (2011). "Exceptionally well‐preserved brittle stars from the Pliensbachian (Early Jurassic) of the French Ardennes". Palaeontology. 54 (1): 215–233. Bibcode:2011Palgy..54..215T. doi:10.1111/j.1475-4983.2010.00981.x. S2CID 140581836.
  8. ↑ Thuy, B.; Gale, A.S.; Reich, M. (2011). "A new echinoderm Lagerstätte from the Pliensbachian (Early Jurassic) of the French Ardennes". Swiss Journal of Palaeontology. 130: 173–185. doi:10.1007/s13358-010-0015-y.
  9. ↑ Kutscher, M.; Hary, A. (1991). "Echinodermen im Unteren Lias (bucklandi-und semicostatum-zone) zwischen Ellange und Elvange (SE-Luxemburg)". Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen. 182: 37–72. doi:10.1127/njgpa/182/1991/37.
  10. ↑ Kutscher, M. (1988). "Zur Invertebratenfauna und Stratigraphie desoberen Pliensbachien von Grimmen (DDR), Echinodermata". Freiberger Forschungsheft, C. 419: 62–70.
  11. ↑ Pinna, G. (1985). "Exceptional preservation in the Jurassic of Osteno". Philosophical Transactions of the Royal Society of London Series B, Biological Sciences. 311 (1148): 171–180. Bibcode:1985RSPTB.311..171P. doi:10.1098/rstb.1985.0149.
  12. ↑ Bachmayer, F.; Kollmann, H.A. (1968). "Ein Ophiure aus der Trias Jugoslawiens". Annalen des Naturhistorischen Museums in Wien. 72: 645–648.
  13. ↑ Phillips J. (1829). Illustrations of the Geology of Yorkshire; or a description of the strata and organic remains of the Yorkshire Coast. Part 1. 192 pp. York.
  14. ↑ Jaselli, L., 2015. The Lower Jurassic (Early Sinemurian) ophiuroid Palaeocoma milleri in the palaeontological collection of the Museo di Storia Naturale “Antonio Stoppani” (Italy). Bollettino della Società Paleontologica Italiana, 54 (3), 187-195. Modena.
  15. ↑ Wright, T. (1866). A monograph on the British fossil Echinodermata from the Oolitic formations. 2/2 On the Ophiuroidea. Paleontologr. Society London.
  16. ↑ Broderip, W. J. (1840). "Description of some fossil Crustacea and Radiata, found at Lyme Regis, in Dorsetshire". Transactions of the Geological Society of London. 2: 390–396.
  17. ↑ Wright, T. (1854). "Contributions to the Palaeontology of Gloucestershire: a description, with figures of some new species of Echinodermata from the Lias and Oolites". The Annals and Magazine of Natural History. 2 (13): 376–383.
  18. ↑ Herr, O. (1865). Die Urwelt der Schweiz. 1. 622 pp. Schulthess, Zürich.
  19. ↑ Quenstedt, F. A. 1876. Petrefactenkunde Deutschlands: Erste Abtheilung, Vierter (4) Band, Echinodermen (Asteriden und Encriniden). 742 pp. Fues Verlag, Leipzig.
  20. ↑ Reisdorf A. G., Wetzel, A., Schlatter, R., Jordan, P. 2011. The Staffelegg Formation: a new stratigraphic schemefor the Early Jurassic of northern Switzerland. Swiss J Geosci 104: 97 – 146.
  21. ↑ Toula, F. (1887). Über Aspidura raiblana nov. spec. Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, 96, 361-369.
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