The Development of the Chimaeroid Pelvic Skeleton and the Evolution of Chondrichthyan Pelvic Fins
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.1.1. Fossil Material
2.1.2. Adult & Embryonic Materials
2.2. Methods
2.2.1. Skeletonisation and Gross Anatomy
2.2.2. Histology
2.2.3. NanoCT Imaging
2.2.4. MicroCT Imaging
2.2.5. 3D Modelling
2.2.6. Terminology
2.2.7. Language of Descriptions
3. Results
3.1. The Pelvic Skeleton of Cladoselache
3.2. Adult Morphology of Callorhinchus milii
3.3. Developmental Data
3.3.1. Stage 30
NanoCT
Histology
3.3.2. Stage 31
Histology
3.3.3. Stage 32
NanoCT
Histology
3.3.4. Stage 34
NanoCT
Histology
3.3.5. Stage 36
NanoCT
4. Discussion
4.1. The Pelvic Skeleton of Cladoselache
4.2. The Development of the Pelvic Skeleton in Extant Chondrichthyans
4.3. The Implications of Chimaeroid Fin Development on the Evolution of Chondrichthyan Fins
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Stage | Staining (days) | Voltage (kV) | Power (W) | Exp. Time (sec) | Scan Time (hr) | Voxel Size (μm) |
---|---|---|---|---|---|---|
30 | 27 | 60 | 5 | 3.0 | 5.0 | 3.0 |
32 | 67 | 60 | 5 | 4.5 | 6.5 | 4.0 |
34 | 69 | 60 | 5 | 5.0 | 7.0 | 5.5 |
36 | 77 | 80 | 7 | 2.0 | 9.0 | 12.0 |
Adult | 91 | 65 | 25 | 1.9 | 39.1 | 8.7 |
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Pears, J.B.; Tillett, C.; Tahara, R.; Larsson, H.C.E.; Trinajstic, K.; Boisvert, C.A. The Development of the Chimaeroid Pelvic Skeleton and the Evolution of Chondrichthyan Pelvic Fins. J. Dev. Biol. 2022, 10, 53. https://doi.org/10.3390/jdb10040053
Pears JB, Tillett C, Tahara R, Larsson HCE, Trinajstic K, Boisvert CA. The Development of the Chimaeroid Pelvic Skeleton and the Evolution of Chondrichthyan Pelvic Fins. Journal of Developmental Biology. 2022; 10(4):53. https://doi.org/10.3390/jdb10040053
Chicago/Turabian StylePears, Jacob B., Carley Tillett, Rui Tahara, Hans C. E. Larsson, Kate Trinajstic, and Catherine A. Boisvert. 2022. "The Development of the Chimaeroid Pelvic Skeleton and the Evolution of Chondrichthyan Pelvic Fins" Journal of Developmental Biology 10, no. 4: 53. https://doi.org/10.3390/jdb10040053