Table 1 Selected measurements (in mm) of the Anchiornis specimens and their pellets.

From: Exceptional dinosaur fossils reveal early origin of avian-style digestion

Specimen

Femur length

Pellet long axis

Pellet short axis

STM0-224

70

39

18

STM0-179

71

53

20

STMA0-4

35*

17

11

STM0-38

40.5

30

13

STM0-227

 

45

20

STM0-228

 

35

20

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