The name Orthoceras is a slight homonymy case. This name is used according to the rules of several different nomenclatural codes.

Orthoceras

Botany

Online references

Taxonomy

Species

Orthoceras novae-zeelandiae (A.Rich.) M.A.Clem, D.L.Jones & Molloy 2 1

Orthoceras strictum R.Br. 17 17

Specimens registered in collections

Collection	Number of specimens (or sets)
Vascular plants (P)	19

Orthoceras

Zoology

Taxonomy

Species

Orthoceras acuarium (MÜNSTER, 1840) 1 1

Orthoceras ambigena BARRANDE, 1868 1

Orthoceras amoenum BARRANDE, 1866 1 1

Orthoceras annulatum SOWERBY, J. de C. in MURCHISON, 1839 2

Orthoceras araneosum BARRANDE, 1868 1 1

Orthoceras asparagus BARRANDE, 1868 1 1

Orthoceras bacchus BARRANDE, 1866 1

Orthoceras bohemicum BARRANDE, 1866 3 2

Orthoceras capax BARRANDE, 1868 1 1

Orthoceras castelnaui de VERNEUIL, 1843 1 1

Orthoceras cavum BARRANDE, 1866 1 1

Orthoceras clouei BARRANDE, 1870 7 7

Orthoceras culter BARRANDE, 1866 1 1

Orthoceras currens BARRANDE, 1866 1 1

Orthoceras decipiens BARRANDE, 1866 1 1

Orthoceras disjunctum BARRANDE, 1860 1 1

Orthoceras docens BARRANDE, 1855 2 2

Orthoceras doricum BARRANDE, 1868 1 1

Orthoceras cf. dubium von HAUER, 1915 1 1

Orthoceras dulce BARRANDE, 1868 2 1

Orthoceras fasciolatum BARRANDE, 1868 1 1

Orthoceras filiforme de CASTELNAU, 1843 1 1

Orthoceras gruenewaldti BARRANDE, 1866 2 2

Orthoceras hoernesi BARRANDE, 1866 3 3

Orthoceras inaequale ROËMER, 1850 1 1

Orthoceras indocile BARRANDE, 1866 1 1

Orthoceras insulare BARRANDE, 1870 6 6

Orthoceras janus BARRANDE, 1866 1

Orthoceras lineatum (HISINGER, 1837) 1 1

Orthoceras magister BARRANDE, 1868 1

Orthoceras michelini BARRANDE, 1866 1

Orthoceras morrisi BARRANDE, 1868 1

Orthoceras mundum BARRANDE, 1866 1

Orthoceras murchisoni BARRANDE, 1868 2 1

Orthoceras mutabile BARRANDE, 1870 1 1

Orthoceras neptunicum BARRANDE, 1866 1 1

Orthoceras nobile BARRANDE, 1866 1

Orthoceras novellum BARRANDE, 1866 1

Orthoceras originale BARRANDE, 1868 1 1

Orthoceras panderi BARRANDE, 1866 1 1

Orthoceras pastinaca BARRANDE, 1868 2 2

Orthoceras pelagium BARRANDE, 1870 4 2

Orthoceras penetrans BARRANDE, 1870 1 1

Orthoceras placidum BARRANDE, 1868 1 1

Orthoceras pleurotomum BARRANDE, 1866 1

Orthoceras primum BARRANDE, 1870 1 1

Orthoceras pulchrum BARRANDE, 1866 1 1

Orthoceras recedens BARRANDE, 1870 1 1

Orthoceras regularis (SCHLOTHEIM, 1820) 2 1

Orthoceras rivale BARRANDE, 1859 1 1

Orthoceras rottermundi BARRANDE, 1866 1 1

Orthoceras senile BARRANDE, 1866 2 1

Orthoceras socium BARRANDE, 1859 3 2

Orthoceras sp. VAILLANT-COUTURIER TREAT, 1933 7 2

Orthoceras steiningeri BARRANDE, 1868 1 1

Orthoceras striatopunctatum (MÜNSTER, 1840) 1 1

Orthoceras styloideum BARRANDE, 1866 2 1

Orthoceras subannulare (MÜNSTER, 1840) 2 2

Orthoceras taeniale BARRANDE, 1866 2 1

Orthoceras transiens BARRANDE, 1866 1 1

Orthoceras tritonum BARRANDE, 1868 1 1

Orthoceras truncatum BARRANDE, 1859 2 2

Orthoceras valens BARRANDE, 1866 1 1

Orthoceras vibrayei BARRANDE, 1859 2 1

Orthoceras victima BARRANDE, 1870 1 1

Orthoceras zonatum BARRANDE, 1868 1

Specimens registered in collections

Collection	Number of specimens (or sets)
Paleontology (F)	152