Fossils‎ > ‎Paleogene Period‎ > ‎Paleogene Cnidaria‎ > ‎


Class Anthozoa (
Sea Anemones, Corals, Sea Pens)
    Subclass Zoanthara (Hexacorallia) (Sea Anemones, Corals)
        Order Scleractina  Bourne 1900 (Stony Star Corals)
            Suborder Caryophyllina Wells 1956
                Superfamily Flabelloidea
Bourne 1905
                    Family Flabellidae Bourne 1905

Flabellids are characterized by having a smooth, often porcellaneous marginotheca devoid of the pits or pores. They have larger coralla with more septa (up to 300) and flabellate vs circular calices, and in lacking pali.

Flabellum mortoni Vaughan 1900

Corallum cuneiform, base small, edges and faces converging, cross-section elliptical. The septa are thing in the upper part of the corallum, and show secondary thickening in the lower portion. Number of septa in the adults is about 70.

    Flabellum mortoni
Vaughan 1900 p.66, pl. 4, figs 7-10

    Flabellum mortoni Weller 1907 p.267, pl. 5, figs 1-4

Range: Manasquan Marl, Upper Hornerstown (Inversand)


It should be noted that Vaughan and Weller both attributed the this species to the Cretaceous, but it is widely accepted that the Upper Hornerstown is Paleocene in origin.