直角石目
| 直角石目 | |
|---|---|
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| 科学分类  | |
| 界: | 动物界 Animalia | 
| 门: | 軟體動物門 Mollusca | 
| 纲: | 頭足綱 Cephalopoda | 
| 亚纲: | 直角石亚纲 Orthoceratoidea | 
| 目: | 直角石目 Orthocerida | 
| 科 | |
| 
 见正文  | |
下属分类
    
本目包括以下科:[1]
- Allumettoceratidae
 - Arionoceratidae
 - Baltoceratidae
 - Brachycycloceratidae
 - Choanoceratidae
 - Clinoceratidae
 - Dawsonoceratidae
 - Engorthoceratidae
 - Eriditidae
 - Eskimoceratidae
 - Geisonoceratidae
 - Kionoceratidae
 - Lamellorthoceratidae
 - Michelinoceratidae
 - Mysterioceratidae
 - Narthecoceratidae
 - Offleyoceratidae
 - 直角石科 Orthoceratidae
 - Paraphragmitidae
 - Proteoceratidae
 - Pseudorthoceratidae
 - Psuedorthoceratidae
 - Sactoceratidae
 - Sactorthoceratidae
 - Sichuanoceratidae
 - Sphaerorthoceratidae
 - Sphaerortoceratidae
 - Sphooceratidae
 - Stereoplasmoceratidae
 - Striatoceratidae
 - Tripteroceratidae
 - Troedssonellidae
 
参考文献
    
- . GBIF. [2023-10-31]. (原始内容存档于2023-03-10).
 
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