ITEUOPIIYLLUM. 



209 



1886. Platypterygium Balli, Feistmantel, Flora Gondw. Syst., vol. iv, pt. 2, 



p. 37, pi. iiA, figs. 4-8 ; pi. iii a, fig. 2 (pars). 

 1902. Pterophyllum (Anomozamites) Balli, Zeiller, Flore Foss. Gites Charb. 



Tonkin, p. 182. 



Type. Nos. 5504-8, Mus. Geol. Surv. India, Calcutta. 



Frond of medium size, elliptical, pinnately divided. Segments 

 linear, of unequal breadth, decurrent at the base and truncated at 

 the apex, apparently attached laterally to the rachis. Nerves 4-8, 

 sub-parallel, simple or more often dichotomising, the first dichotomy 

 taking place near the base of the segments. 



Fig. 4.3. 



-Pterophyllum (Anomozamites) Balli (Feist.). Alter Feistmantel. 

 Nat. size. 



The name Anomozamites was originally instituted by Schimper 

 to include a particular type of frund belonging to the large genus 

 Pterophyllum, in which the leaflets are rectangular, truncated at 

 the apex, with rounded angles, the distal margin being parallel 

 to the rachis. 



Zeiller '' has recently described some fronds of this type from the 



1 Zeiller (02 s ), p. 177, pi. xliii, fig. 8; pi. xliv, figs. 1-5. 



