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. 2022 Jan 25;10:e12782. doi: 10.7717/peerj.12782

Table 3. Body length estimates for theropod teeth based on Mesial and Distal Denticle Lengths (MDL and DDL respectively), and calculated using the results of D’Amore & Blumenschine (2012).

Taxon Specimen Denticle height (mm) Body length estimate (m)
Mesial denticles Distal denticles Mesial denticles Distal denticles
Carcharodontosauria DMNH 2013-07-1081 0.322 0.356 4.6 5.7
DMNH 2013-07-1083 0.233 0.261 3.0 3.2
DMNH 2014-06-05 na 0.310 na 4.3
DMNH 2014-06-06 na 0.329 na 4.9
SMU 76946 0.252 0.331 3.2 4.9
SMU 76949 na 0.320 na 4.6
Tyrannosauroidea DMNH 2013-07-1701 na 0.327 na 4.8
SMU 77218 0.215 0.253 2.7 3.1
Dromaeosaurinae DMNH 2013-07-1080 0.349 0.336 5.3 5.1
DMNH 2014-06-02 na 0.283 na 3.6
Dromaeosauridae SMU 73779 0.093 0.124 1.5 1.4
SMU 76948 na 0.151 na 1.6
SMU 77217 0.125 0.175 1.7 1.9
Troodontidae SMU 76947 na 0.348 na 5.5*
Coelurosauria SMU 73778 0.106 0.101 1.6 1.2
SMU 77213 0.112 0.147 1.6 1.6
SMU 77214 0.085 na 1.4 na
Theropoda DMNH 2013-07-1082 0.207 0.223 2.5 2.6

Note:

Estimates based on apical-basal lengths of both mesial and distal denticles were calculated, and used to find body length for each taxon. Specimens where denticles were lacking are indicated with ‘na’. Because troodontid denticles are abnormally large compared to other theropods of comparable size (D’Amore & Blumenschine, 2012) these length estimates are not used, as indicated by an asterisk (*).