| Coelophysoidea | Unambiguous: Premaxillary tooth row slightly constricted (15:1). Ambiguous: subnarial gap in the premaxilla (16:1); first maxillary alveoli open anteroventrally (21:1); enlarged fanglike anterior dentary tooth (30:1). |
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| Averostra | Unambiguous: anterior premaxillary alveoli labio-lingually oriented, posterior premaxillary alveoli mesio-distally oriented (3:1); less than 14 denticles per 5mm on the mesial carina in mesialmost teeth (51:2); less than 16 denticles per 5mm on the mesial carina in lateral teeth (84:3). |
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| Ceratosauridae | Ambiguous : Mid-maxillary teeth (or alveoli) significantly larger than anteriormost maxillary teeth (19:1); axis passing through both carinae at mid-crown sub-parallel to long axis of skull in mesialmost teeth (49:0); surface centrally positioned on the crown roughly flattened in lateral teeth (70:1); distal carina strongly labially deflected on the distal margin in lateral teeth, crown asymmetrical (83:1); mesial denticles inclined apically in lateral teeth (95:1); subequal or lower number of denticles apically than at the mid-crown on the mesial carina in lateral teeth (98:12); subequal number of denticles apically than at the mid-crown on the distal carina in lateral teeth (100:2); interdenticular space between distal denticles broad, more than one third of the denticle width, in lateral teeth (103:1); large and well-visible transversal undulations on the crown in some lateral teeth (109:2). |
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| Noasauridae | Ambiguous : 30-44 denticles per 5mm on mesial carina in lateral teeth (84:1); 16-29 denticles per 5mm on distal carina in lateral teeth (85:2); distal denticles larger than mesial ones in lateral teeth (101:2). |
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| Abelisauridae | Ambiguous : Premaxillary alveoli mesio-distally oriented (3:0); no overlap of the first and second premaxillary alveoli (4:0); subrectangular maxillary alveoli (23:1); hooked distal denticles in lateral teeth (88:2); distal denticles inclined apically in lateral teeth (96:1). |
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| Tetanurae | Ambiguous: Maxillary tooth row anterior to the anterior rim of the orbit, posterior to the anteroventral rim of the antorbital fenestra (24:2). |
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| Megalosauroidea | Ambiguous: Axis passing through both carinae at mid-crown sub-parallel to long axis of skull in mesialmost teeth (49:0); distal carina terminating well beneath the cervix in lateral teeth (81:1); unerupted tooth fossa corresponding to a shallow concavity in the root of lateral teeth (140:1). |
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| Spinosauridae | Unambiguous : More than five premaxillary teeth (2:34); premaxillary tooth row anterior to external naris (14:1); maxillary alveoli subcircular in outline (23:2); mesial carina terminating well beneath the cervix in mesialmost teeth (50:2); flutes present on both labial and lingual in lateral teeth (107:2); deeply veined enamel texture in lateral teeth (117:2). Ambiguous: Posterior premaxillary alveoli smaller than anterior premaxillary alveoli (7:1); anterior premaxillary teeth subequal in size than the first six anterior maxillary teeth (8:1); strongly constricted premaxillary tooth row (15:2); first maxillary alveolus significantly smaller than second alveolus (20:0); first maxillary alveolus opens anteroventrally (21:1); anteriormost dentary alveoli significantly larger than mid- and posterior dentary alveoli (27:1); enlarged fanglike anterior dentary tooth (30:1); four teeth within the terminal rosette of dentary (31:1); labiolingual compression of the crown weak, CBR > 0.75, tooth of the lateral dentition incrassate (66:2); subcircular outline of basal cross-section of the crown in lateral teeth (72:0). |
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| Megalosauridae | Ambiguous : Less than 15 dentary teeth (25:3). |
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| Avetheropoda | Unambiguous : Outline of basal cross-section D-shaped or J-shaped, with lingual margins strongly convex and labial margins convex or sigmoid, in the crown of mesialmost tooth (41:3). Ambiguous: Mesial carina twisted, curves onto the lingual surface in mesialmost teeth (46:1); mesial carina extends to the cervix or just above it in mesialmost teeth (50:1). |
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| Allosauroidea | Ambiguous: Posterior premaxillary alveoli subequal in size than the first six anterior maxillary alveoli (9:1); outline of basal cross-section of the crown elliptical or bean-shaped in lateral teeth (72:2); mid-crown denticles on distal carina longer mediodistally than basoapically and with horizontal subrectangular outline (92:1); interdenticular space between mid-crown denticles on the distal carina broad, more than one third of the denticle width (103:1); large transversal undulations well-visible on the crown in some lateral teeth (109:2). |
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