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Allosaurus Body Mass:
BATES ET Al.

Plain-Language &
Multilingual  Abstracts

Abstract

Introduction

Material and Methods

Results

Discussion

Conclusions

Acknowledgements

References

Appendix

 

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RESULTS

The best estimate mass model of MOR 693 (Figure 2, Animation 1 and Animation 2) has a total body mass of 1500.91 kg, with the whole body CM positioned 0.184 m and 0.141 m in front and below the acetabulum. Table 1 summarizes the mass data for each of the initial gracile and larger models produced in the sensitivity analysis, a suite of which can be seen in the accompanying animations (Animation 3, Animation 4, Animation 5, Animation 6, Animation 7, Animation 8, Animation 9, and Animation 10. The largest model (Figure 3, Figure 4, Animation 9, and Animation 10) represented an increase of 31.7% (457.94 kg) in total body mass over the best estimate prediction, while the smallest model (Figure 3.1, Animation 3 and Animation 4) was 12.9% (193.22 kg) lighter than initial predictions (Table 1). Best estimate centre of mass positions were most affected by altering the combinations of body segment volumes; the combination of large thoracic and neck segments with reduced tail segments resulted in the most cranial CM positions (0.375 m in front of the acetabulum), while enlarged tails and reduced anterior body segments brought the CM closest to the acetabulum (0.05 m in front of the joint). However, the CM remained in front and below the hip joint in all models. The full mass set results for the model generated can be found in the appendix (Appendix: Tables 2-25).

   

 

 

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Allosaurus Body Mass
Plain-Language & Multilingual  Abstracts | Abstract | Introduction | Materials and Methods
Results | Discussion | Conclusions | Acknowledgements | References | Appendix
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