Pseudooneotodus beckmanni ( Bischoff and Sannemann, 1958 )

Waid, Christopher B. T. & Cramer, Bradley D., 2017, Telychian (Llandovery, Silurian) conodonts from the LaPorte City Formation of eastern Iowa, USA (East-Central Iowa Basin) and their implications for global Telychian conodont biostratigraphic correlation, Palaeontologia Electronica 42 (6), pp. 1-37 : 28

Pseudooneotodus beckmanni ( Bischoff and Sannemann, 1958)

Figure 7.6

*1958 Oneotodus? beckmanni ; Bischoff and Sannemann, pl. 15, figs. 22-25.

2007 Psuedooneotodus beckmanni Bischoff and Sannemann ; Corradini, pl. 1, figs. 1-7 (synonymy through 2006).

2007b Psuedooneotodus beckmanni Bischoff and Sannemann ; Zhang and Barns, fig. 10.5.

2010 Psuedooneotodus beckmanni Bischoff and Sannemann ; Wang and Aldridge, pl. 2, figs. 19- 26.

2011 Psuedooneotodus beckmanni Bischoff and Sannemann ; Zhang, fig. 17.7.

2013 Psuedooneotodus beckmanni Bischoff and Sannemann ; Sumrall, Heredia, Rodríguez, and Mestre, fig. 4F.

2014 Psuedooneotodus beckmanni Bischoff and Sannemann ; Zhang and Pell, fig. 6.8.

2015 Psuedooneotodus beckmanni Bischoff and Sannemann ; Jarochowska and Munnecke, fig. 7H-I.

2016 Psuedooneotodus beckmanni Bischoff and Sannemann ; Waid and Over, fig. 3.27.

Description. Elements conical, squat, with one node at the tip of the element. Basal cavities circular or slightly oval. White matter restricted to node and just below the node.

Material examined. Three elements.

Figures

FIGURE 7. Simple cone elements from Garrison Core. All specimens in lateral view except for 6. 1-2, Panderodus equicostatus, graciliform, GC 124.66–124.93 m, SUI 142251 (1) and graciliform, GC 121.92-121.88 m, SUI 142253 (2). 3-5, Panderodus panderi, graciliform, GC 124.66–124.93 m, SUI 142252 (3); arcuatiform, GC 131.95–132.23 m, SUI 142254 (4); and graciliform, GC 111.38–111.63 m, SUI 142255 (5). 6, Psuedooneotodus beckmanni, oral view, GC 135.65–136.10 m, SUI 142256. 7, Panderodus cf. P. unicostatus, falciform, GC 135.65–136.10 m, SUI 142257. 8- 11, Panderodus unicostatus, falciform, GC 131.95–132.23 m, SUI 142258 (8); fused cluster of 8 elements, GC 130.20–130.48 m, specimen destroyed processing for SEM (9); fused cluster of 6 elements, GC 131.95–132.23 m, SUI 142260 (10); and tortiform element, GC 131.95–132.23 m, SUI 142261 (11); 12-13, Walliserodus curvatus, dyscritiform, GC 134.06–134.31 m, SUI 142262 (12) and curvatiform, GC 128.85–129.11 m, SUI 142263 (13). 14-15, Panderodus greenlandensis, arcuatiform GC 118.20–118.41 m, SUI 142264 (14) and graciliform, GC 134.06–134.31 m, SUI 142265 (15). White scale bar represents 0.5 mm.