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  • Isselicrinus buchii


    The Amateur Paleontologist


    Isocrinid crinoid

    Kingdom: Animalia
    Phylum: Echinodermata
    Class: Crinoidea
    Order: Isocrinida
    Family: Isselicrinidae
    Genus: Isselicrinus
    Species: Isselicrinus buchii
    Author Citation Roemer (1840)

    Geological Time Scale

    Eon: Phanerozoic
    Era: Mesozoic
    Period: Cretaceous
    Sub Period: None
    Epoch: Late
    International Age: Lower Maastrichtian


    Møns Klint Formation
    Hvidskud member


    Collector: Christian Voiculescu-Holvad
    Date Collected: 08/14/2016
    Acquired by: Field Collection


    Length: 67 mm
    Diameter: 4 mm


    Freuchens Pynt, Møns Klint


    Isselicrinus buchii is a relatively common crinoid in Maastrichtian Danish chalk strata in the form of small 2-3 segment-long columnal fragments. However, starting from 10 segments, an articulated I. buchii columnal is fairly rare, and above 30 segments is substantially rare. On this specimen, there are in total 40 segments and 1 partial segment.

    It was recovered from a large chalk nodule, which had to be broken several times to access the whole stem. The fossil has been entirely 3D prepared, by the use of small dental tools.

    It is thought that the black colour at the base of the columnal represents a remnant of the attachment disc/holdfast



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