i8o 



Albrecht Spitz. 



[66J 



Dazu kommen noch die von mir nicht untersuchten Originale Frechs: 



Platyceras plicatile Hall; Platyceras plicatile var. unguiformis Hall; Platyceras Sileni Oehl. var. ; Platyceras uncina- 

 tum Gieb.; Platyceras Zinkeni Roem. 



Dem hellen und dunklen Kalke gemeinsam 



Böhmen 



Bretagne, 

 Unterdevon 



Erbray, 

 Unterdevon 



Westabhang 



d Urals, 

 Unterdevon 



Ostabhang 



d. Urals, 



Unterdevon 



Bellerophon telescopus Frech 



(Taf. XI (I), Fig. 14, pag. 122) 



Zonidiscus uarnicus n 



(Taf. XI (I), Fig. 5, pag. 125) 



» Geyeri Frech 



(Taf. XI (I), Fig. 7, pag. 125) 



Pleurotomaria carnica Frech 



(Taf. XII (II), Fig. 9«,i, pag. 130) 



» colubcr Barr. var. n. alpina 



(Taf. XII (II), Fig. 8, pag. 130) 



» evoluta Frech 



(Taf. XII (II), Fig. 12, 13, pag. 131) 



Euomphalopterus bicarinatus n 



(Taf. XIII (III), Fig. 2, pag. 134) 



» cf. bicarinatus n 



pag- 135) 



Euomphalus ater n 



(Taf. XIII (III), Fig. 11-13, pag. 136) 



» Kokeni n 



(Taf. XIII (III), Fig. lS-20, pag. 135) 



» lituites n 



(Taf. XIII (IIIj, Fig. 6-8, pag. 137) 



PI. coluber 



Morpho- 



tropis 



incongruens 



Morpho- 



tropis 



incongruens 



Genus 

 Euom- 

 phalopterus 

 Genus 

 Euom- 

 phalopterus 



Genus IVIor- 

 photropis 



Genus 



Morpho- 



tropis 



Genus Mor- 



photropis 



Mur- 

 chisonia 

 clavicula 



Genus 

 Euom- 

 phalopterus 

 Genus 

 Euom- 

 phalopterus 



Genus 

 Euom- 

 phalopterus 

 Genus 

 Euom- 

 phalopterus 



Genus 

 Euom- 

 phalopterus 

 Genus 

 Euom- 

 phalopterus 



