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Table 1 Selected measurements of Zygodactylus ochlurus n.sp. compared to other zygodactylids [3,4,5,6, 8, 9]

From: A new zygodactylid species indicates the persistence of stem passerines into the early Oligocene in North America

 

SKL

COR

HUM

ULN

CMC

FEM

TIB

TMT

pI1

pI2

pII1

pII2

pII3

pIII1

pIII2

pIII3

pIII4

GM

FEM/

GM

CMC/

GM

pI1/

pes

pIII1/

pes

YPM VPPU 17053

Zygodactylus ochlurus n.sp.

Holotype

21.0

~ 8.7/

~ 8.7

12.5/

~ 13.2/

14.7

6.7/

/

10.3

/

~ 21.4

15.6/

15.4

3.8/

2.0/

3.2/

3.0/

3.3/

/

2.8

/

3.3

/

3.0

/

2.0

12.6

0.82

0.53

0.23

0.17

SMF Av 519a

Zygodactylus luberonensis

Holotype

35.0

14.7/

17.2/

17.2

18.1/

/

8.6

~ 19.5/

34.8/

34.7

24.6/

24.5

/

4.6

/

2.1

/

6.5

/

4.6

/

2.7

/

7.1

/

6.5

/

5.4

/

3.1

18.8

1.04

0.46

0.16

0.25

FMNH PA 726b

Zygodactylus grandei

Holotype

21.1

13.7/

18.3/18.6

19.3/

~ 8.5

15.1/

33.0/33.6

21.4/20.4

4.6/4.3

2.6/2.7

/5.2

4.7/4.6

3.0

6.0/5.8

5.0/5.2

4.2/4.4

3.8/3.9

17.9

0.84

0.47

0.17

0.22

USNM 299821c

Eozygodactylus americanus

~ 19

 

16.8/

16.8

~ 19/

19.1

/

8.8

                 

WDC-CGR-014c

Eozygodactylus americanus

 

13.8/

~ 13.1

/

~ 17.2

~ 18.2/

8.8/

19.7/

/

30.6

21.7/

21.8

5.4/

~ 5.6

2.5/

~ 2.0

/

5.9

5.1/

5.2

2.9/

~ 2.2

~ 6.0/

~ 4.6

5.7/

5.7

4.7/

4.8

~ 2.7/

3.3

18.2

1.08

0.48

0.21

0.20

SMF-ME 1758a + bd

Primozygodactylus major

Holotype

  

~ 28.4/

~ 31.1/

~ 12.0/

24.6/

39.0/

39.8

28.0/

         

25.7

0.96

0.47

  

SMF-ME 2108d

Primozygodactylus ballmanni

Holotype

  

21.0/

20.5

22.9/

22.9

~ 9.0

/~ 9.5

20.8/

33.0/

24.6/

         

20.5

1.02

0.45

  

SMF-ME 2522a + bd

Primozygodactylus danielsi

Holotype

  

16.5/

16.4

18.3/

~ 17.4

8.2/

8.1

/

16.5

27.4/

27.3

19.6/

~ 18.3

4.0/

2.4/

4.8/

4.3/

2.4/

5.7/

4.9/

4.3/

2.6/

16.5

1.00

0.49

0.17

0.24

SMF-ME 1074d

Primozygodactylus eunjooae

Holotype

     

17.5/

29.8/

~ 21.7

/~ 21.7

              

SMF-ME 11091a + bd

Primozygodactylus quintus

Holotype

  

19.7/ 20.0

20.7/20.7

9.5/9.5

 

32.5/32.5

22.8/23.1

              

SMF-ME 11171a + bd

Primozygodactylus longibrachium

Holotype

  

> 19/ 19.6

21.4/> 21

9.6/

 

29.5/29.5

/19.0

              
  1. aafter [2]
  2. bafter [6]
  3. cafter [9]
  4. dafter [5]
  5. SKL Rostrocaudal skull length, COR Coracoid, HUM humerus, ULN ulna, CMC carpometacarpus, FEM femur, TIB tibia, TMT tarsometatarsus, pI1 – pIII4 pedal digit (I-III) phalanx (1–4), measured in mm. GM geometric mean of HUM, ULN, CMC, FEM, TIB, and TMT; pI1/pes and pIII1/pes: pedal digit I/III proximal phalanx, scaled against the sum of lengths of the non-ungual phalanges of pedal digits I & III
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BMC Ecology and Evolution

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