Species list by epithet (including synonyms) - alphabetical, letter o

According to available records, the following species occur in Tasmanian waters:

- obeliscus May, 1915 = Rastodens obeliscus (family Rastodentidae)

- obesulus May, 1919 = Cystiscus obesulus (family Cystiscidae – Cystiscinae)

- obesus H. Adams, 1866 = Amphithalamus ‘obesus’ (family Anabathridae)

- oblata Laseron, 1956 = Pisinna oblata (family Anabathridae)

- obliqua Lamarck, 1819 = Ennucula obliqua (family Nuculidae)

- obliqua May, 1916 = Inella obliqua (family Triphoridae – Triphorinae)

- obliquissima Tate, 1887 = Propecuna obliquissima (family Condylocardiidae – Cuninae)

- obliquus Hedley, 1902 = Chlamydella favus (family Propeamussiidae)

- obliquus Reeve, 1843 = Glycymeris striatularis (family Glycymerididae)

- oblivirgulata Hubendick, 1943 = Siphonaria funiculata (family Siphonariidae)

- oblonga Menke, 1843 = Amblychilepas oblonga (family Fissurellidae – Fissurellinae)

- oblonga Sowerby, 1830 = Amalda oblonga (family Olividae – Ancillariinae)

- obnixa Iredale, 1936 = Cancellaria undulata (family Cancellariidae – Cancellariinae)

- obscura Hutton, 1873 = Volutomitra obscura (family Volutomitridae)

- obscura Laseron, 1954 = Brookula angeli (family Seguenzioidea unplaced)

- obturamentum Hedley, 1893 = Barnea obturamentum (family Pholadidae – Pholadinae)

- obtusa B. A. Marshall, 1983 = Inella obtusa (family Triphoridae – Triphorinae)

- obtusa Crosse & Fischer, 1864 = Atactodea cuneata (family Mesodesmatidae – Mesodesmatinae)

- obtusa Guiler, 1951 (non Dillwyn) (in part) = Austrocochlea constricta (family Trochidae – Monodontinae)

- obtusa Laseron, 1955 = Melanella obtusa (family Eulimidae)

- obtusa May, 1923 (in part) = Austrocochlea brevis (family Trochidae – Monodontinae)

- obtusa Petterd, 1886 = Amalda obtusa (family Olividae – Ancillariinae)

- obtusus of authors (non Dillwyn) = Austrocochlea porcata (family Trochidae – Monodontinae)

- occasiuncula Iredale, 1932 = Bankia australis (family Teredinidae – Bankiinae)

- occidentalis Iredale, 1935 = Notocypraea piperita (family Cypraeidae – Cypraeovulinae)

- occiduus Cotton & Godfrey, 1934 = Clanculus undatus (family Trochidae – Trochinae)

- occiduus Verco, 1911 = Cadulus occiduus (family Gadilidae)

- occultidens May, 1915 = Odostomia occultidens (family Pyramidellidae – Odostomiinae)

- ocellatus Gould, 1862 = Phasianotrochus eximius (family Trochidae – Cantharidinae)

- ochracea Angas, 1871 = Alaginella ochracea (family Marginellidae – Marginellinae)

- ochroleuca Henn & Brazier, 1894 = Onoba australiae (family Rissoidae – Rissoinae)

- ochroleucus Philippi, 1849 = Clanculus albanyensis (family Trochidae – Trochinae)

- octona Tate, 1891 = Leiopyrga octona (family Trochidae – Umboniinae)

- octopleuron Verco, 1911 = Paradentalium octopleuron (family Dentaliidae)

- odontis Wood, 1828 = Chlorodiloma odontis (family Trochidae – Chrysostomatinae)

- oleacea Hedley & Petterd, 1906 = Archiminolia oleacea (family Solariellidae)

- oligomphala Pilsbry, 1895 = Hiloa variabilis (family Phasianellidae – Tricoliinae)

- oligostira Tate, 1891 = Penion mandarinus (family Buccinidae – Siphonaliinae)

- olivacea Frauenfeld, 1867 = Pisinna olivacea (family Anabathridae)

- olivella Reeve, 1865 = Mesoginella olivella (family Marginellidae – Marginellinae)

- omicron Crosse & Fischer, 1864 = Amblychilepas omicron (family Fissurellidae – Fissurellinae)

- onuphria Iredale, 1936 = Hiatula alba (family Psammobiidae)

- ophione Gray, 1849 = Lamellaria ophione (family Velutinidae – Lamellariinae)

- optata Gould, 1860 = Nassarius nigellus (family Nassariidae – Nassariinae)

- opulenta Hedley, 1907 = Glyptozaria opulenta (family Cerithiidae – Cerithiinae)

- orbicularis Angas, 1879 = Tucetona flabellata (family Glycymerididae)

- orbita Gmelin, 1791 = Dicathais orbita (family Muricidae – Rapaninae)

- ordinata Laseron, 1954 = Filodrillia mucronata (family Borsoniidae)

- ornata Angas, 1864 = Austraeolis ornata (family Facelinidae – Favorininae)

- ornata Hedley, 1922 = Filodrillia ornata (family Borsoniidae)

- ornata May, 1908 = Scissurella ornata (family Scissurellidae – Scissurellinae)

- ornata Tenison-Woods, 1876 = Astralium aurea (family Turbinidae – Turbininae)

- ornatum Tokioka & Baba, 1964 = Sagaminopteron ornatum (family Gastropteridae)

- ornatus Férussac, 1821 = Ophicardelus ornatus (family Ellobiidae – Pythiinae)

- ornatus Tenison-Woods, 1876 = Phasianotrochus apicinus (family Trochidae – Cantharidinae)

- orospatia Laseron, 1954 = Brookula angeli (family Seguenzioidea unplaced)

- orthopleura Tate, 1898 = Melanella augur (family Eulimidae)

- oruktus Maughan, 1900 = Chiton orukts (family Chitonidae – Chitoninae)

- oryzata Meuschen, 1787 = Argonauta nodosus (family Argonautidae)

- ostanes Iredale, 1954 = Sepia novaehollandiae (family Sepiidae)

- ostenta Burn, 1958 = Doto ostenta (family Dotidae)

- otagoensis Powell, 1954 = Cabestana tabulata (family Ranellidae – Cymatiinae)

- ovata Hedley, 1906 = Mysella ovata (family Galeommatidae – Montacutinae)

- ovata Lamarck, 1819 = Vulsella ovata (family Vulsellidae)

- ovata Tate, 1886 = Parvikellia ovata (family Galeommatidae – Montacutinae)

- ovulaeformis Tate & May, 1900 = Cystiscus bucca (family Cystiscidae – Cystiscinae)

- ovulum Sowerby, 1846 = Ovaginella ovulum (family Marginellidae – Marginellinae)

- oxyacris Tate, 1897 = Gazameda tasmanica (family Turritellidae – Turritellinae)

__________________________________________________________________________________________

Information and disclaimer: The web-pages on this web-site are generated from an underlying database. These can be cited as Grove, S.J. (2017). A Guide to the Seashells and other Marine Molluscs of Tasmania web-site and database respectively. Whilst great care is taken to accurately identify specimens featured on this web-site and to allocate all records to the most appropriate taxonomic names available, no guarantee is offered that all identifications are accurate, nor that the taxa to which they have been allocated are currently valid. Commentaries on habitat, distribution and biology are also subject to change as new information comes to light. If you have any enquiries, or any comments that will help improve the content or appearance of these pages, then please follow the links from 'contact' on the left-hand panel.

Last build: Sun Jun 11 08:11:32 Tasmania Standard Time 2017