of the Valongo Formation in Northern Portugal; the Llanvirnian at Guadarranque in Cadiz (Andalusia), Spain and; the 'Llandeilo' south of Rennes in Brittany. Clarella salteri (Hicks in Salter 1865) [Family: Centropleuridae]. Menevia Formation, Pt. punctuosus Biozone, Porth-y-rhaw, St David's, Dyfed, Wales. Cnemidopyge Salteri Hicks MS (Salter 1873, p. 22) [Family: Raphiophoridae]. Penmaen Dewi Formation (Whitlandian), middle Arenig Series of Pwlluog, N end of Whitesands Bay, near St David's, Dyfed, Wales. Flexicalymene (Onnicalymene) salteri Bancroft, 1949 [Family: Calymenidae]. Acton Scott Beds (Actonian, Marshbrook, Shropshire, England. Leptoplastides salteri (Callaway, 1877) [Family: Olenidae]. Sheinton Shales (Tremadocian Stage) of Sheinton, Shropshire, England. Robergiella salteri (Reed, 1899) [Family: Remopleuridae]. Tramore Limestone Formation, ('Llandeilo' and Caradoc Series) of Tramore, Co. Waterford, Republic of Ireland. Oryctocephalus salteri Reed, 1910 [Family: Oryctocephalidae]. Wuliuan stage in north side of the Parahio River, Spiti region, India. Parahio Formation, Oryctocephalus salteri Zone. Phacops (Viaphacops) salteri Kozlowski, 1923 (p. 54 – 56 pl. 6, fig. 5) [Family: Phacopidae] From the Devonian of Bolivia and Columbia. Lotagnostus salteri Westrop and Landing, 2017 [Family: Agnostidae]. From the Chelsey Drive Group, north shore of East Bay, Cape Breton Island, Nova Scotia, Ctenopyge tumida Zone. Brachiopoda Broeggeria salteri (Holl, 1865) [Family: Elkaniidae]. Obolella salteri Holl, 1865 is type species of the Cambrian lingulid genus Broeggeria Walcott, 1902 and is recorded from the Whiteleaved-Oak Shales (Tremadocian) near Malvern, England. Salopia salteri (Davidson, 1869) [Family: Linoporellidae]. From the Horderley Sandstone Formation (upper Sandbian), Horderley. Shropshire, England. Spiriferella salteri Tschernyschew, 1902 [Family: Spiriferellidae]. From the Wordian and Capitanian (Permian) of China and British Columbia, Canada. Bivalvia Schizodus salteri Etheridge [Family: Schizodidae]. Ardross Limestones (Dinantian), Upper Calciferous Sandstone Measures, Ardross, East Fife, Scotland. Gastropoda Cyrtostropha salteri Ulrich and Scofield 1897 [Family: Murchisoniidae]. From the Ordovician of Canada, Greenland and the United States. Eurypterida Salteropterus Kjellesvig-Waering, 1951 [Family: Hughmilleriidae]. Named as a species of Eurypterus by Salter in 1859. Parahughmilleria salteri Kjellesvig-Waering, 1961 [Order: Eurypterida]. Reported from the Temeside Mudstone Formation (Přídolí epoch) of Ludlow and Perton in the Welsh Borders and South Staffordshire. Peltocaris salteriana Jones & Woodward, 1893 [Subclass: Phyllocarida]. From the Tremadocian Stage (Cressagian), Gwynedd, Wales. Ophiuroidea Salteraster Stürtz 1893 [Family: Urasterellidae]. Type species; Urasterella asperrimus Salter 1857. Stenaster salteri Billings, 1858 [Class: Ophiuroidea]. From the Ordovician of Cardin quarry, Simcoe County, Kirkfield, Ontario, Canada. Thyestiida The thyestidians (Thyestiida) are an order of bony-armored jawless fish in the extinct vertebrate class Osteostraci and including the poorly understood osteostracan