UTRECHT MICROPALEONTOLOGICAL BUllETINS

Figs. 1-3 Protopanderodus latus n. sp. Figs. 1a and 1b the proclined to erect narrow element,
section 14, sample 37b, X 100, T 197-14. Figs. 2a and 2b, the recurved wide element (=
the Holotype), section 14, sample 46, X 50, T 197-13. Figs. 3a and 3b, the scandodiform
element, section 6, sample 44, X 100, T 197-15.
Figs. 4-6 Protopanderodus longibasis (LINDSTROM). Fig. 4, the proclined to erect element with a
base, about as long as the cusp, section 14, sample 37b, X 65, CH 1163-13. Fig. 5, the
reclined element with a base, shorter than the cusp and widening in aboral direction,
section 14, sample 33, X 65, CH 1163-14. Fig. 6, the scandodiform element, section 14,
sample 41, X 100, CH 1163-15.
Figs.7-10 Protopanderodus rectus (LINDSTROM). Fig. 7, the proclined element with a base, about
as long as the cusp, section 6, sample 20, X 50, CH 1164-13. Fig. 8, the erect to
reclined element with a base, about half as long as the cusp, section 6, sample 26, X 32,
CH 1164-14. Fig. 9, the reclined element with a small base, section 6, sample 21, X 50,
CH 1164-15. Fig. 10, the scandodiform element, section 6, sample 21, X 65, CH
1164-16.
Figs. 11-13 Paracordylodus gracilis LINDSTROM. Fig. 11, the oistodiform element, section 1,
sample 13, X 100, CH 1154-13. Fig. 12, the cordylodiform element, section 1, sample
13, X 100, CH 1154-14. Fig. 13, the paracordylodiform element, section 1, sample 13,
X 100, CH 1154-15.
Figs. 14-20 Periodon flabellum (LINDSTROM). Fig. 14, the oistodiform element, section 1, sample
13, X 65, CH 1157-13. Fig. 15, the cordylodiform element (early form), section 6,
sample 7, X 100, CH 1157-14. Fig. 16, the cordylodiform element (intermediate form),
section 6, sample 13, X 150, CH 1157-15. Fig. 17, the cordylodiform element (late
form), section 6, sample 16, X 65, CH 1157-16. Fig. 18, the ozarkodinaform element
(early form), section 1, sample 13, X 65, CH 1157-17. Fig. 19, the ozarkomnaform
element (intermediate form), section 6, sample 13, X 65, CH 1157-18. Fig. 20, the
ozarkodinaform element (late form), section 6, sample 16, X 50, CH 1157-19.