File:Phymolepis cuifengshanensis.PNG
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Summary
| Description |
English: Results
The lateroventral fossa of trunk shield and Chang’s apparatus are three-dimensionally restored in P. cuifengshanensis. The canal that is positioned just anterior to the internal cavity of Chang’s apparatus probably corresponds to the rostrocaudal canal of euantiarchs. The endocranial morphology of P. cuifengshanensis corroborates a general pattern for yunnanolepidoids with additional characters distinguishing them from sinolepids and euantiarchs, such as a developed cranio-spinal process, an elongated endolymphatic duct, and a long occipital portion. Discussion In light of new data from Phymolepis and Yunnanolepis, we summarized the morphology on the visceral surface of head shield in antiarchs, and formulated an additional 10 characters for the phylogenetic analysis. These cranial characters exhibit a high degree of morphological disparity between major subgroups of antiarchs, and highlight the endocranial character evolution in antiarchs. |
| Date | Published 2018, https://doi.org/10.7717/peerj.4808 |
| Source | https://peerj.com/articles/4808/ |
| Author | Artwork by Dinghua Yang. Download full-size imageDOI: 10.7717/peerj.4808/fig-5 |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:20, 1 June 2018 | 3,508 × 2,084 (8.43 MB) | Tillman | {{Information |description ={{en|1=Results The lateroventral fossa of trunk shield and Chang’s apparatus are three-dimensionally restored in P. cuifengshanensis. The canal that is positioned just anterior to the internal cavity of Chang’s apparatus probably corresponds to the rostrocaudal canal of euantiarchs. The endocranial morphology of P. cuifengshanensis corroborates a general pattern for yunnanolepidoids with additional characters distinguishing them from sinolepids and euantiarchs, s... |
File usage
The following 22 pages use this file:
- 2018 in paleoichthyology
- Agnatha
- Antiarchi
- Asterolepis (fish)
- Bothriolepididae
- Bothriolepidoidei
- Bothriolepis
- Microbrachiidae
- Microbrachius
- Minicrania
- Mizia
- Parayunnanolepis
- Phymolepis
- Pterichthyodes
- Shimenolepis
- Vukhuclepis
- Wufengshania
- Xitun Formation
- Yunnanolepididae
- Yunnanolepis
- Zhanjilepis
- Template:Antiarchi
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