| 词条 | Aptychotrema |
| 释义 |
| image = Aptychotrema rostrata sydney.jpg | image_width = 240px | image_caption = Eastern shovelnose ray (A. rostrata) | regnum = Animalia | phylum = Chordata | classis = Chondrichthyes | ordo = Rajiformes | familia = Rhinobatidae | genus = Aptychotrema | genus_authority = Norman, 1926 | type_species = Short-snouted shovelnose ray|Rhinobatus (Syrrhina) bougainvillii | type_species_authority = J. P. Müller & Henle, 1841 }} Aptychotrema is a genus of guitarfish, belonging to the family Rhinobatidae. They are found around Australia. SpeciesThere are three living species,[1] and one extinct species only known from fossil remains of Cenomanian age.[2]
References1. ^{{FishBase genus |genus=Aptychotrema |month=March |year=2018}} {{Taxonbar|from=Q2713869}}{{Rajiformes-stub}}2. ^Bernárdez, E. (2002). Los dientes de seláceos del Cretácico de la depresión central asturiana. Univ. d'Oviedo: 1–476. 4 : Aptychotrema|Trygonorrhinidae|Taxa named by John Roxborough Norman|Taxonomy articles created by Polbot |
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