Aptychotrema
Encyclopedia
Aptychotrema is a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of guitarfish
Guitarfish
The guitarfish are a family, Rhinobatidae, of rays. The guitarfish are known for an elongated body with a flattened head and trunk and small ray like wings. The combined range of the various species is tropical, subtropical and temperate waters worldwide. They often travel in large...

, family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Rhinobatidae.

Species

  • Aptychotrema bougainvillii (J. P. Müller
    Johannes Peter Müller
    Johannes Peter Müller , was a German physiologist, comparative anatomist, and ichthyologist not only known for his discoveries but also for his ability to synthesize knowledge.-Early years and education:...

     & Henle
    Friedrich Gustav Jakob Henle
    Friedrich Gustav Jakob Henle was a German physician, pathologist and anatomist. He is credited with the discovery of the loop of Henle in the kidney. His essay "On Miasma and Contagia" was an early argument for the germ theory of disease...

    , 1841)
    (Short-snouted shovelnose ray)
  • Aptychotrema rostrata (G. Shaw
    George Shaw
    George Shaw was an English botanist and zoologist.Shaw was born at Bierton, Buckinghamshire and was educated at Magdalen Hall, Oxford, receiving his M.A. in 1772. He took up the profession of medical practitioner. In 1786 he became the assistant lecturer in botany at Oxford University...

    , 1794)
    (Eastern shovelnose ray)
  • Aptychotrema timorensis Last, 2004 (Spotted shovelnose ray)
  • Aptychotrema vincentiana (Haacke
    Wilhelm Haacke
    Johann Wilhelm Haacke was a German zoologist born in Clenze, Lower Saxony.He studied zoology at the University of Jena, earning his doctorate in 1878. Afterwards he worked as an assistant at the Universities of Jena and Kiel...

    , 1885)
    (Western shovelnose ray)
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