— 160 — 



Orthis Dalman. contin. 

 Synon. contin. 



Terebratulites (sp.) Schloth. 

 Spirifer (sp.) J. Sow. 

 Terebratula (sp.) Lamck. Desh. Sow. jun. 

 Productus (sp.) Desh. Pander. 

 Strophomenes Steininger. 

 Trigonotreta (sp.) Konig. Bronn. 

 Orthothetes Fisch. v. W. 

 Spirifera (sp.) Phillips. 



Gonambonites, Orthambonites (sp.), Hemipronites, 

 Klitambonites, Pronites et Plectambonites (sp.) 

 Pander. 

 Orthocera J. Sow. 1814. Min. Conch. tab. 58. Conf. Blainv. 

 1828. Dict. sc. nat. tom. 36. p. 485. 

 Etym. oQd^og, rectus- )(£Qag, cornu. ®*) 

 Gray 1821. Lond. Med. Repos. * — genus Nauti- 



lophororum. 

 Flem. 1828. Brit. An. p. 235. — genus Nautilidarum. 



Male injunguntur Khizopoda multa. 

 Desh. 1830. Enc. meth. IL p. 226. et 1832. ib. IIL 



p. 670. — genus Nautilaceorum. 

 OwEN 1838. Trans. Zool. Soc. * — genusNautilidarum. 

 = Orthoceratites Breyn. 

 Ortliocera (male Orthocerata) Blainv. 1824. Dict. sc. 

 nat. lom. 32. p. 191. et 1825. Mal. p. 376. 

 Decima Ctum !82"> priina) familia Polythalamaceorum. 

 Genera: Belemnites, Conularia, Conilites, Ortho- 

 ceras, Baculites. 

 Orthocera (male Orthocerata) Latr. 1825. Fam. nat. (ed. 

 Germ. p. 156.) Cf. Desh. Enc. meth. IIL p. 671. 

 Prima tribus Polythalnmorum. Genera : Belemnites, 

 Callirhoe, Ichthyosarcohtes , Hibolithes, Porodra- 

 gus, Acamas, Cetocis, Paclitus, Pyrgopolon, Ache- 



68) Orthocera Lamck. (180L) genus Rhi/.opodum. 



