Apsidognathus tuberculatus Walliser, 1964

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 : 9-11

Apsidognathus tuberculatus Walliser, 1964

Figure 9.18

111.63 114.94 115.76 118.41 - 121.13 - 121.88 124.93 - 129.11 130.48 131.09 132.23 - 134.31 136.10 137.40 - - - - - - - - - -

Sample (m) 111.38 114.75 115.51 118.20 120.88 121.62 124.66 128.85 130.20 130.79 131.95 134.06 135.65 137.12

366.25 377.10 379.80 388.50 397.41 399.86 409.86 423.58 428.09 430.10 433.84 440.66 446.53 450.79

- - - - - - - - - - - - - -

Sample (ft) 365.42 376.50 379.10 387.80 396.58 399.00 409.00 422.75 427.17 429.10 432.92 439.83 445.66 449.87

Mass (kg) 0.52 0.523 0.526 0.522 0.544 0.555 0.562 0.554 0.52 0.521 0.551 0.561 0.56 0.561

TotalConodonts 4 17 31 15 26 33 33 54 74 63 77 42 80 32 Pterospathodus Pb 1 1 amorphognathoides

Pb 2 1 1 angulatus

Sb 1 1 1

Pterospathodus Pa eopennatus ssp. n. 2

Pb 1

Pc

M

Sc1

Sb2 1 1 1 1

1 3 2 1 1

1 2 2 1

1 1

Aulacognathus sp. n. P 1 1 1

Wurmiella ? P 1

polinclinata polinclinata

P2 1 1 1 M

1 1 2 3 1 4 3

3 3 2 3 2

1

S3/4 1

5

S1/2 2

1 1 5 1 3

S0 2

3 1 1 Wurmiella ? P 1 polinclinata estonica

P 2

M

S3/4

S1/2

S0

3

3

3

1

2 1

1 2 Psuedolonchodina Pa 1 sp. n.

Pb 1

M 1 1

Sc 4 1

1

2

1

1

1 3 1 1 1

2 2 2 1

2 4 4 4 5 2 1 Sb 1 1 1 3 1 Sa 2 1 3 1 Aulacognathus P 1 angulatus

P2 1

1 1 1 1

1

S1/2

1

TABLE 1 (continued).

111.63

- - 114.94 - 115.76 - 118.41 121.13 - - 121.88 124.93 - 129.11 - 130.48 - - 131.09 132.23 - - 134.31 136.10 - 137.40 -

Sample (m) 111.38 114.75 115.51 118.20 120.88 121.62 124.66 128.85 130.20 130.79 131.95 134.06 135.65 137.12

366.25 377.10 379.80 388.50 397.41 399.86 409.86 423.58 428.09 430.10 433.84 440.66 446.53 450.79 - - - - - - - - - - - - - - Sample (ft) 365.42 376.50 379.10 387.80 396.58 399.00 409.00 422.75 427.17 429.10 432.92 439.83 445.66 449.87

Mass (kg) 0.52 0.523 0.526 0.522 0.544 0.555 0.562 0.554 0.52 0.521 0.551 0.561 0.56 0.561

TotalConodonts 4 17 31 15 26 33 33 54 74 63 77 42 80 32

Aulacognathus P 1 3 kuehni

Aulacognathus P 1 bullatus

1

Astrolecignathus cf. Pa milleri

1

Distomodus Pa staurognathoide s

Sb 1 1 1 1 1 2 4

1 2 3

Figures

FIGURE 9. Conodonts from the Garrison Core and DX5 outcrop. 1-8, Wurmiella? polinclinata polinclinata, S0 element, anterior view, GC 130.79–131.09 m, SUI 142286 (1); S1/2 element, posterior view, GC 115.51–115.79 m, SUI 142287 (2); S3/4 element, lateral view, GC 115.51–115.76 m, SUI 142288 (3); M element, lateral view, GC 130.20– 130.48 m, SUI 142289 (4); P2 element, lateral view, GC 130.20–130.48 m, SUI 142290 (5); P2 element, GC 130.79– 131.09 m, SUI 142291 (6); P1 element, lateral view, DX5 4.59–4.61 m, SUI 142292 (7); and P1 element, lateral view, DX5 3.49–3.59 m, SUI 142293 (8). 9-10, Aulacognathus angulatus, P1 element, oral view, GC 135.65–136.10 m, SUI 142294 (9) and S1/2? element, posterior view, GC 135.65–136.10 m, SUI 142295 (10). 11-14, Aulacognathus bullatus, P2 element, lateral view, DX5 1.34–1.54 m, SUI 142296 (11); P1 element, oral view, DX5 4.59–4.61 m, SUI 142297 (12); P1 element, oral view, DX5 0.67–0.74 m, SUI 142298 (13); and P1 element, oral view, GC 120.88– 121.13 m, SUI 142299 (14). 15-16, Aulacognathus kuehni, P1 element, oral view, GC 131.95–132.23 m, SUI 142300 (15) and juvenile P1 element, oral view, GC 131.95–132.23 m, SUI 142301 (16). 17, Astrolecignathus cf. milleri, Pa element, oral view, GC 121.92–121.88 m, SUI 142302. 18, Apsidognathus tuberculatus, Pa element, oral view, DX5 1.34–1.54 m, SUI 142303.