Journal and proceedings of the Royal Society of New South Wales . Figs. 2 and 3. Suture lines of Gastrioceras Fig. 4. Portion of fifth whorl of Gastrioceras Jacksoni showingthe sphonal collars.[Collected by Dr. W. G. Woolnough]. duction of Dr. HanieFs delineation of the suture line of hisParalegoceras sundaicum. At Letti the Paralegoceras isstated to be associated with Agathiceras sundaicum relatedto A. Suessi from the Sosio limestone of Sicily and A. ural-icum, Karpinsky, in the Artinsk formation, as well as A,?cisconense, Smith, from the upper coal measures of may be adde
Journal and proceedings of the Royal Society of New South Wales . Figs. 2 and 3. Suture lines of Gastrioceras Fig. 4. Portion of fifth whorl of Gastrioceras Jacksoni showingthe sphonal collars.[Collected by Dr. W. G. Woolnough]. duction of Dr. HanieFs delineation of the suture line of hisParalegoceras sundaicum. At Letti the Paralegoceras isstated to be associated with Agathiceras sundaicum relatedto A. Suessi from the Sosio limestone of Sicily and A. ural-icum, Karpinsky, in the Artinsk formation, as well as A,?cisconense, Smith, from the upper coal measures of may be added that A. mieromphcdum is not uncommonboth in the Upper and Lower Marine beds of the Hunterand Illawarra coal fields, being specially abundant in theLower Marine series. 252 W. S. DUN AND SIR EDGE WORTH DAVID. At Letti Paralegoceras is also associated with Propina-coceras, the latter being usually considered to be of LowerPermian Age. The following Brachiopods are also associated at Lettiwith the ammonoids:— Productus cora, dOrb. Productus spiralis, Waagen Chonetes , Waagen Spirifer rajah, Salt
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectscience, bookyear1867
