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Redescription of Phymolepis cuifengshanensis (Antiarcha: Yunnanolepididae) using high-resolution computed tomography and new insights into anatomical details of the endocranium in antiarchs

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RT @PCI_Paleo: #FossilFriday #paleontology #preprint Early Devonian antiarch head and trunk shields from China, by Wang & Zhu (2018) in @…
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Redescription of Phymolepis cuifengshanensis (Antiarcha: Yunnanolepididae) using high-resolution computed tomography and new insights into anatomical details of the endocranium in antiarchs (OA) - v @PeerJPreprints https://t.co/KNgVHGcjw3
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New preprint: Redescription of Phymolepis cuifengshanensis (Antiarcha: Yunnanolepididae) using high-resolution computed tomography and new insights into anatomical details of the endocranium in antiarchs https://t.co/QsGOIBwNps via @PeerJPreprints
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PJpreprint: Redescription of Phymolepis cuifengshanensis (Antiarcha: Yunnanolepididae) using high-resolution computed tomography and new insights into anatomical details of the endocranium in antiarchs https://t.co/EnEvhTsyAc
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Supplemental Information

Supplementary text

Phylogenetic analysis: (1) Character list. (2) Taxa and principal sources of data. (3) Data matrix with 79 morphological characters for 44 taxa. (4) Characters and character states defining major clades shown in Supplementary Figure 1. (5) Supplementary references.

DOI: 10.7287/peerj.preprints.26867v1/supp-1

Character matrix of antiarchs

Nexus file comprising 44 taxa and 78 morphological characters.

DOI: 10.7287/peerj.preprints.26867v1/supp-2

Supplementary figure to show character transformations in antiarchs

Unambiguous character state changes mapped across one of the most parsimonious trees (Figure 14).

DOI: 10.7287/peerj.preprints.26867v1/supp-3

Phymolepis cuifengshanensis (IVPP V4425.2) based on high-resolution CT

Continuous transverse sections of the specimen.

DOI: 10.7287/peerj.preprints.26867v1/supp-4

Head and trunk shields of Phymolepis cuifengshanensis

Three-dimensional model of IVPP V4425.2.

DOI: 10.7287/peerj.preprints.26867v1/supp-5

Head shield of Phymolepis cuifengshanensis (IVPP V4425.2) based on high-resolution CT

Three-dimensional semi-transparent model to show the cavities and endolymphatic ducts within the dermal shield.

DOI: 10.7287/peerj.preprints.26867v1/supp-6

Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Yajing Wang performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, prepared figures and/or tables, authored or reviewed drafts of the paper, approved the final draft.

Min Zhu conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, prepared figures and/or tables, authored or reviewed drafts of the paper, approved the final draft.

Data Deposition

The following information was supplied regarding data availability:

The raw data are hosted at Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Science, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China.

Funding

This research was funded by the Strategic Priority Research Program of Chinese Academy of Sciences (XDA19050102), Natural Science Foundation of China (41530102), Key Research Program of Frontier Sciences of CAS (QYZDJ-SSW-DQC002), and CAS Funds for Paleontology Fieldwork and Fossil Preparation. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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