Fig. 4 in Frasnian gastropod synecology and bio-events in the Dyminy reef complex of the Holy Cross Mountains, Poland

Fig. 4. Late Frasnian gastropod associations: Straparollus (Straparollus) circularis of the Actinostroma Assemblage and Naticopsis (Naticopsis) excentrica of the Frechastrea pentagona Assemblage (the Detrital Beds). A, B. Straparollus (Straparollus) circularis (Phillips, 1841), both natural size. A. Axial section with visible septation of spire, GIUS 4−1463/Pan−80. B. Apical view of poorly preserved shell with septation of spire, GIUS 4−1440/Pan−57. C. Westerna subcostata (Schlotheim, 1820) comb. nov., apertural view of poorly preserved shell, GIUS 4−854/Pan−1, natural size. D. Murchisonia sp., axial section, GIUS 4−1444/Pan−61, × 2. E. Straparollus (Straparollus) serpens (Phillips, 1841), lateral view of shell, GIUS 4−877/Gr−9/2, × 3. F. Murchisonia (Murchisonia) nerinea (Sandberger and Sandberger, 1850–1856), fragment of spire, GIUS 4−999/Gr−131/4, × 4. G. Villmaria ventricosa Heidelberger, 2001, lateral view of shell(GIUS4−1010/Gr−142/1),×4.5. H, I. Roemeriella octocincta (Roemer,1843),lateralviewsofspires,SzczukowskieGórkiquarry. H.Coeloconoidalshell with change of ornamentation, GIUS 4−1203/SzG−8, × 2. I. Juvenile spire, GIUS 4−1204/SzG−10, × 4. J. Palaeozygopleura (Rhenozyga) sp. B, lateral view of shell, GIUS 4−906/Gr−38, × 4. K. Palaeozygopleura (Rhenozyga) sp. A, base of shell with ornamentation, GIUS 4−1005/Gr−137/1, × 7. L. Porcellia bifida (Sandberger and Sandberger, 1850–1856), lateral view of spire, GIUS 4−877/Gr−9/10, × 3. M. Lahnospira taeniata (Goldfuss, 1844), lateral view of juvenile shell, GIUS 4−1004/Gr−136/5, × 8. N. Naticopsis (Naticopsis) excentrica (Roemer, 1843), apertural view of shell with well preserved ornamentation, GIUS 4−902/Gr−34, × 3. O. Naticopsis (Naticopsis) inflata (Roemer, 1843), lateral view of spire, GIUS 4−876/Gr−8/1, × 3.5. P. Naticopsis (Naticopsis) protogaea (Goldfuss, 1844), apical view of poorly preserved shell, GIUS 4−900/Gr−32, × 3. A–D. Panek, set B2. E–G, J–P. Grabina, set C.