Paläoproterozoikum

== German == === Etymology === paläo- (“paleo-”) +‎ Proterozoikum (“Proterozoic”) === Pronunciation === IPA(key): /paˌlɛoˌpʁoteʁoˈtsoːikʊm/ === Proper noun === Paläoproterozoikum n (proper noun, strong, genitive Paläoproterozoikums) the Paleoproterozoic ==== Declension ==== === See also === Siderium Rhyacium Orosirium Statherium Mesoproterozoikum