. Conodonts of the Lower Border group and equivalent strata (lower carboniferous) in Northern Cumbria and the Scottish Borders, Conodonts; Paleontology; Paleontology; Conodonts; Paleontology. Austin, and Druce, 1969:158, pi. 21, fig. 2 only [M element]. Polygnathus lacinatus Huddle—Higgins, 1971, pi. 1, figs. 6, 8 [Pa elements]. Polygnathus mehli—Klapper in Ziegler, 1975:307-8, Polygnathus—pi. 6, fig. 4 [Pa element] [with Pa element synonymy]. Polygnathus lacinatus—Austin in Austin and Mitchell, 1975:52, pi. 1, figs. 28,29, 31,32 [Pa elements]. Polygnathus aff. P. lacinatus sensu Rhodes,
. Conodonts of the Lower Border group and equivalent strata (lower carboniferous) in Northern Cumbria and the Scottish Borders, Conodonts; Paleontology; Paleontology; Conodonts; Paleontology. Austin, and Druce, 1969:158, pi. 21, fig. 2 only [M element]. Polygnathus lacinatus Huddle—Higgins, 1971, pi. 1, figs. 6, 8 [Pa elements]. Polygnathus mehli—Klapper in Ziegler, 1975:307-8, Polygnathus—pi. 6, fig. 4 [Pa element] [with Pa element synonymy]. Polygnathus lacinatus—Austin in Austin and Mitchell, 1975:52, pi. 1, figs. 28,29, 31,32 [Pa elements]. Polygnathus aff. P. lacinatus sensu Rhodes, Austin, and Druce—Nicoll and Druce, 1979:29, pi. 16, fig. 10 [Pa element]. [(?)] Polygnathus lacinatus asymmetricus Rhodes, Austin, and Druce—Metcalfe, 1981, pi. 9, fig. 5 [Pa element]. Polygnathus mehli latus Johnston and Higgins, 1981:92, 94, figs. [Pa elements] [with partial synonymy]. "Polygnathus" mehli—Chauff, 1981, pi. 2, figs. 9,10,22- 25, 35, 36 [Pa elements]. Polygnathus mehli—Austin and Davies, 1984, pi. 1, fig. 2; pi. 2, fig. 33(?); pi. 3, figs. 10, 12 [Pa elements]. Polygnathus lacinatus—Austin and Davies, 1984:196, text-fig. 1, pi. 2, figs. 1,32 [Pa elements]. Polygnathus mehli latus—Varker and Sevastopulo, 1985:192, pi. , figs. 9,10 [Pa elements]. Polygnathus mehli mehli—Varker and Sevastopulo, 1985:192, pi. , figs. 11, 12,15,18 [Pa element]. Polygnathus mehli—Belka, 1985, pi. 14, fig. 13 [Pa element]. DIAGNOSIS Pa element diagnostic, see Thompson (1967:48). HOLOTYPE University of Missouri, C-994-17 (Thompson, 1967, pi. 2, figs. 1,2). TYPE HORIZON AND LOCALITY Pierson Formation, Unit 19; Roaring River State Park south entrance, road cut on west side of State Highway 112, locality F of Thompson (1967), Barry County, Mis- souri, MATERIAL STUDIED Pa elements, 165(14); Pb elements, 13(5); M elements, 9; Sa elements, 2(4); Sc elements, 6(2); from the Liddel For- mation, Lower Border Group, and the Harden Member
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