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camarodonta中文是什么意思

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用"camarodonta"造句"camarodonta"怎么读"camarodonta" in a sentence

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  • 拱齿目

例句与用法

  • The thirty - four species of the sea urchins belong to 7 order , 17 families and 28 genera . the following is the name list , those with an asterisk are the species recorded for the first time in china . order cidaroida family cidaridae * goniocidaris biserialis ( d6derlein ) * stylocidaris bracteata ( a . agassiz ) * stylocidaris ryukyuensis shigei * stereocidaris indica philippinensis mortensen * rhopalocidaris gracilis doderlein order lepidocentroida family echinothuridae * phormosoma bursarium ( a . agassiz ) araeosoma owstoni mortensen asthenosoma ijimai yoshiwara order stirodonta family phymosomatidae glyptocidaris crenularis a . agassiz family arbaciidae * coelopleurus maculata a . agassiz et h . l . clark * coelopleurus undulatus mortensen order aulodonta family diadematidae chaetodiademajaponicum mortensen family pedinidae * caenopedina mirabilis ( d6derlein ) order camarodonta family temnopledridae temnopleurus hardwickii ( gray ) temnopleurus toreumaticus ( leske ) temnopleurus reevesii ( gray ) temnopleurus apodus ( a . agassiz et h . l . clark ) temnotrema sculptum ( a . agassiz ) temnotrema reticulatum mortensen * microcyphus olivaceus ( d6derlein ) * prionechinus forbesianus ( a . agassiz ) family strongylocentrotidae strongylocentrotus nudus ( a . agassiz ) hemicentrotus pulcherrimus ( a . agassiz ) family echinometridae anthocidaris crassispina ( a . agassiz ) order clypeasteroida family clypeasteridae clypeaster virescens doderlein family laganidae * peronellapellucida d5derlein family scutellidae * scaphechinus mirabilis a . agassiz sinaechinocyamus planus liao family fibulariidae fibularia acuta yoshiwara order spatangoida family loveniidae - lovenia triforis koehler echinocardium cordatum ( pennant ) family schizasteridae schizaster lacunosus ( linnaeus ) family brissidae * gymnopataqus magnus ( a . agassiz & h . l . clark ) family spatangidae * spatangus luetkeni a . agassiz among the species reported , the following species call for notes or simple descriptions
    本文根据th . mortensen ( 1928 - 1955 )海胆专著( amonographoftheechinoidea )中的主要分类依据,将海胆纲分为8个目: 1 )头帕目( cidaroidea )有齿器,围肛部在顶系内,围口部有步带板和间步带板,大棘很大,有外皮层,无球棘; 2 )鳞棘目( lepidocentroida )有齿器,围肛部在顶系内,围口部仅有步带板,大棘不很大,无外皮层,有球棘; 3 )脊齿目( stirodonta )有齿器,围肛部在顶系内,齿器的齿有脊,桡骨片在齿上方不相接,颚孔开放; 4 )管齿目( aulodonta )齿器的齿无脊,围肛部在顶系内; 5 )拱齿目( camarodonta )有齿器,围肛部在顶系内,齿器的齿有脊,桡骨片在齿上方相接,颚孔封闭; 6 )全雕目( holectypoida )有齿器,但不发达或完全被吸收,围肛部在顶系外,步带不形成瓣状和叶鳃; 7 ) ?形目( clypeasteroida )齿器发达,围肛部在顶系外,步带形成瓣状,无叶鳃; 8 )猬团目( spatangoida )无齿器,围肛部在顶系外,叶鳃发达,步带形成瓣状。
用"camarodonta"造句  

百科解释

Camarodonta is an order of globular sea urchins in the class Echinoidea. The fossil record shows that camarodonts have been in existence since the Lower Cretaceous.
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