Results 181 to 190 of about 1,497,171 (212)
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AULACOPLEURID TRILOBITES FROM THE UPPER ORDOVICIAN OF VIRGINIA
Journal of Paleontology, 2005Abstract Five species of aulacopleurid trilobites occur in rich, silicified trilobite faunas from the Upper Ordovician of Virginia: Harpidella triloba (Hu, 1975a), Strasburgaspis cona (Hu, 1971), and Strasburgaspis? n. sp. A, all from the Turinian Edinburg Formation, Harpidella whittingtoni new species, from the overlying Turinian Oranda Formation, and
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Palynofacies in the Upper Ordovician of the Saxothuringian
Neues Jahrbuch für Geologie und Paläontologie - Monatshefte, 1994Erhard Reitz, Thomas Heuse
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Upper Ordovician Bryozoa from Sardinia.
1990This paper presents the taxonomical descriptions of Upper Caradocian to Ashgillian bryozoans recovered from different localities from SW Sardinia and from one locality (Mulargia lake) from SE Sardinia. The investigated fauna belongs to 4 bryozoan orders: the Trepostomata, the Cystoporata, the Cryptostomata and the extant order Tubuliporata.
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‘Middle Ordovician’ acritarchs are guide fossils for the Upper Ordovician
Lethaia, 1987openaire +1 more source
A revision of the Upper Ordovician brachiopod
Geologiska Föreningen i Stockholm Förhandlingar, 1974openaire +1 more source
Bryozoans and stratigraphy, Upper Richmondian (Cincinnatian, Ordovician)
2005Charles Ross, June Ross
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Global palaeobiogeography of Upper Ordovician acritarchs
LethaiaKui Yan +6 more
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The Stratigraphy of the Upper Ordovician Carbonate Mounds in the Subsurface of Gotland
Gff, 2004Yngve Grahn +2 more
exaly