... to eight genera ( Ancyrodelloides , Flajsella , Lanea , Wurmiella , Zieglerodina , Caudicriodus , Pelekysgnathus , and Pseudooneotodus ), and enables recognition of two chronostratigraphical intervals from the lower part of the Shanjiang Formation. The interval ranging from the uppermost part of Bed 9...

..., Rexroad, and Nicoll, 1970 ), Panderodus serratus Rexroad, 1967 , Panderodus unicostatus (Branson and Mehl, 1933a ), Pranognathus siluricus (Pollock, Rexroad, and Nicoll, 1970 ), Pseudolonchodina expansa (Armstrong, 1990 ), and Pseudooneotodus beckmanni (Bischoff and Sannemann, 1958...

... , Oulodus panuarensis , Panderodus unicostatus , Panderodus recurvatus , and Pseudooneotodus beckmanni were recovered from the overlying Budd Road Phosphate Bed at the base of the Reynales Limestone near Lockport, New York. The specimens from both beds are indicative of the Pranognathus tenuis Zone, which...

... and chitinozoan zonations. Three bentonites correlate the Cyrtograptus murchisoni Zone with the upper part of the Pterospathodus amorphognathoides Zone and both the Lower and the Upper Pseudooneotodus bicornis conodont biozones at their type locality. Thus the base of the Llandovery–Wenlock boundary stratotype...

... obliquicostatus, Panderodus unicostatus, Pseudooneotodus bicornis. The first appearance of Oz. sagitta sagitta and the K. stauros indicates the lower boundary of sagitta Zone established by Walliser [1964] in the Carnic Alps and also the lower boundary of stauros Zone proposed by Barrick et Klapper [1976...

...Figure 15. (a–l) Seven elements of Pseudooneotodus linguicornis n. sp. Jeppsson, from Värsendeojk 2, from sample G87-407LJ. (e and f) = Holotype, LO 8599T. (a, c, e, g) ‘Microscope view’, i. e., as seen when resting on the rim; LO 8597–8600. Their maximum diameters are 0.37, 0.41, 0.50...

... ?, Pseudooneotodus , and Belodina . The Midcontinent Realm zones recognized include, in ascending order, the Acodus kechikaensis , Oepikodus communis , Jumudontus gananda , Tripodus laevis to Plectodina aculeata zones, Phragmodus undatus and Gamachignathus ensifer ? zones. Zonal species of the Atlantic Realm...

... in Figure 2 . With the exception of Amorphognathus ordovicicus Branson and Mehl, Protopanderodus insculptus (Branson and Mehl) , Pseudooneotodus mitratus (Moskalenko) , Pseudooneotodus beckmanni (Bischoff and Sannemann), and Scabbardella altipes (Henningsmoen), which are only sparsely represented...

... ., Ozarkodina sagitta ; Ps ., Pseudooneotodus ; Pt ., Pterospathodus ; Pt . am ., Pterospathodus amorphognathoides ; Pt . p ., Pterospathodus pennatus ; VPDB, Vienna Pee Dee belemnite. Carbonate carbon (δ 13 C carb ) isotope chemostratigraphy has become a robust method for high-resolution...

.... Pseudooneotodus mitratus (Moskalenko) (×35); from CPS1; upper view, GSC120426. 25, 26. Eocarniodus gracilis (Rhodes) (×100); from CPS1; 25. lateral view of element with broken cusp, GSC120427; 26. lateral view of element with fractured cusp, GSC120428. 27–29. Pseudobelodina ? dispansa (Glenister) (×80...

... Co155 (sample G94-42 LJ). E, Ctenognathodus murchisoni from Gothemshammar 9, Klinteberg Fm., EJ-14-410-0001 (sample EJ-14-410). F, Oulodus ? excavatus from Rivviken 2, Hamra or Sundre Fm. NRM-PZ Co153 (sample G04-739 LJ). G, Pseudooneotodus beckmanni from Närshamn 1, Burgsvik Fm., NRM-PZ Co79...

... 1 1 7 9 Paroistodus proteus 7 7 Periodon sp.? 3 3 Phragmodus undatus 9 29 48 86 Plectodina tenuis 13 13 Protopanderodus liripipus 5 5 Pseudooneotodus mitratus 4 4 Ramiform indet...