The Kalana lagerstätte is a lagerstätte from the early Silurian of Estonia, contained within the Nurmekund Formation. It contains a fairly diverse biota of algae and crinoids, alongside the earliest osteostracan known.
Paleobiota
PaleobiotaGenusSpeciesHigher taxonNotesImagesKalanaspisK. delectabilisOsteostraciEarliest osteostracan known, preserved in an unusual carbonaceous mode of preservationKalanacrinusK. mastikaeDimerocrinitidae (Camerata)Resembles CybelecrinusOepikicrinusO. perensaeDimerocrinitidae (Camerata)Fairly small dimerocrinitidRozhnovicrinusR. isakaraeDendrocrinidae (Camerata)Distinguished by an odd anal plate arrangementTartucrinusT. kalanaensisIocrinidae (Disparida)Provisionally assigned to Iocrinidae due to a lack of preserved distinguishing morphologyClintonellaC. aprinisAtrypinidae (Atrypida)Known from across the Baltic regionPalaeocymopoliaP. siluricaDasycladalesResembles the modern CymopoliaKalaniaK. pusillaDasycladalesUnbranched with hairy tipsLeveilleitesL. hartnageliRhodophyta?Also found in North America
References