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  • Isorophus africanus Sumrall & Zamora 2011

    Images:

    oilshale

    By oilshale

    Taxonomy

    Edrioasteroid

    Kingdom: Animalia
    Phylum: Echinodermata Klein 1754
    Class: Edrioasteroidea Billings 1858
    Order: incertae sedis
    Family: Isorophidae Bell, 1976
    Genus: Isorophus
    Species: Isorophus africanus
    Author Citation Sumrall & Zamora 2011

    Geological Time Scale

    Eon: Phanerozoic
    Era: Paleozoic
    Period: Ordovician
    Sub Period: None
    Epoch: Late
    International Age: Katian

    Stratigraphy

    Upper Tiourinine Formation

    Provenance

    Acquired by: Purchase/Trade

    Dimensions

    Diameter: 9 cm

    Location

    Tizi n' Ouchchane (Pass)
    Errachidia (Province)
    Drâa-Tafilalet (Region)
    Morocco

    Comments

    Taxonomy from Sumrall & Zamora 2011.
    Diagnosis (Sumrall & Zamora 2011, p. 441):  "Large Isorophus with moderately curved ambulacra and proportionately wide peripheral rim."

    Identified by oilshale using Sumrall & Zamora 2011.

    References:
    Sumrall, Colin D. &  Zamora, Samuel (2011) Ordovician edrioasteroids from Morocco: faunal exchanges across the Rheic Ocean. Journal of Systematic Palaeontology, Vol. 9, Issue 3, September 2011, 425–454.

    Go to fossils Other Echinoderms

    User Feedback


    oilshale
    5 hours ago, Tidgy's Dad said:

    Just a minor correction: it's the Drâa-Tafilalet region. 

    Dear Adam, thank you for your help. I have corrected the name of the region.

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