Paleogenski morski ježki iz osrednjega dela zahodne Slovenije / Paleogene sea urchins from central part of west Slovenia

V prispevku so obravnavani morski ježki iz paleogenskih skladov osrednjega dela zahodne Slovenije. Njihova stevilna najdisca so v Goriskih brdih, na sirsem obmocju Vipavske doline, v Braniski dolini in na Vremscici. Obravnavani so izkljucno nepravilni morski ježki, primerki pravilnih niso najdeni. Ugotovljeni mikrofosili v najdiscih kažejo na njihovo spodnjeeocensko – cuisijsko starost. Najvec primerkov je iz družin reda Spatangoida L. Agassiz, 1840.  Kljucne besede : morski ježki, paleogen, eocen, Goriska brda, Vipavska dolina, Braniska dolina, Vremscica, Slovenija The contribution deals with sea urchins in Paleogene beds of central western Slovenia. Their numerous localities occur at Goriska brda, in wider environs of Vipava river valley, in Branik valley and on Mt. Vremscica. Studied were exclusively the irregular sea urchins, since no regular forms were found. Microfossils found at localities indicate the Lower Eocene – Cuisian age. The most frequent specimens belong to families of order Spatangoida L. Agassiz, 1840.  Key words : sea urchins, Paleogene, Eocene, Goriska brda, Vipavska dolina, Braniska dolina, Vremscica, Slovenia