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Table 7 Hoplitaspis hiawathai post-buckler tergite and telson measurements

From: A common arthropod from the Late Ordovician Big Hill Lagerstätte (Michigan) reveals an unexpected ecological diversity within Chasmataspidida

Specimen

4

6

7

8

9

10

11

12

13

Telson

UWGM 1838A

10/25

10/24

12/24

12/23

17/19

34/11

4*/2*

UWGM 1838B

3*/17*

8/23

9/21

9/20

10/19

12/15

UWGM 1840A

5/19

5/19

5/17

5/15

6/15

6/13

6/12

8/8

21/7

5*/2

UWGM 1840B

3/15

3/14

3/14

4/12

4/11

2*/10

13*/5

12/1

UWGM 1840C

5/21

5/18

4*/10*

UWGM 1863

5/16

5/14

5/13

5/12

5/11

5/10

6/9

6/8

17/6

UWGM 1871

5/16

5/15

5/14

6/12

6/10

6/8*

7/6*

9/6

21/5

15/2

UWGM 1873A

7/31

7/27

8/25

8/22

8/21

9/19

10/16

8*/9*

UWGM 1873B

4/11*

4/10*

4/10*

4/10*

4/8*

4/8*

5/7*

UWGM 1873C

5/19

6/18

7/16

5/15

5/12*

5/11*

6*/10

UWGM 1875

7/26

6/24

7/22

7/20

7/17

8/15

9/12

12/12

30/9

UWGM 1877

7/24

7/24

8/24

8/22

8/22

7/20

UWGM 1880

6/16

6/16

6/15

6/14

6/12

6/12

7/10

9/8

UWGM 1946A

4/13

4/12

4/12

4/10

4/9

UWGM 1946B

6/13*

6/11*

6/12*

6/12

6/11

UWGM 1946C

4/11

4/8*

4/8

4/7

4/7

4/7

4/6

6/6

11*/3

UWGM 1946D

5/15

5/12*

4/11*

49/34*

4/12

5/11

5/11

UWGM 1946E

10/25

9/25

9/22

8/21

9/19

11/17

10/14

10/11

26/8

12*/3

UWGM 1947

7/21

7/20

9/20

10/18

12/14

17*/9

UWGM 1948

5/15*

5/16

5/15*

5/17

5/14*

6/15

6/9*

9/8*

16/4

UWGM 1949

2/6*

2/3*

UWGM 2039

10/22

11/20

13/17

13/14

12/11

UWGM 2040

4/18

4/17

5/16

5/15

5/14

6/13

6/10

9/9

21/7

20/2

UWGM 2041

4/14*

UWGM 2044A

3/8*

3/5*

3/6*

3/4*

3/4*

3/4*

UWGM 2044B

3/7*

3/6*

3/5*

UWGM 2046

7/21

7/19

7/17

7/15

7/14

7/13

 

UWGM 2063A

4/12

4/12

4/8*

4/7*

2*/4*

 

UWGM 2063B

3/10*

3/10*

4/11

4/11

4/10

4/8

6/7

6/6

13/4

6/2

UWGM 2063C

5/9

5/9

4/8

3/7

2*/5*

3/6

3/6

5/5

10/3

UWGM 2063D

5/10

4/9

5/9

5/7*

5/10

4/8*

6/9

7/7

13*/6

UWGM 2069A

6/18

6/16

7/15

6/13

6/12

7/11

7/9

8/7

21/7

UWGM 2069B

4/15

3/12*

3/8*

UWGM 2069C

4*/8*

7/9*

7/10*

8/7*

5*/4*

UWGM 2070

4/9*

4/10*

4/9*

3/11*

3/11*

3/11*

4/8*

6/4*

13*/6

UWGM 2268

6/32

6/27*

6/23*

6/22*

6/18*

6/15*

UWGM 2273A

3/14

3/13

4/12

4/11

5/11

5/8*

3*/3*

UWGM 2273B

3/20

UWGM 2273C

4/17

4/14*

3/9*

4/6*

UWGM 2275A

4/16*

4/17*

4/16*

4/8*

UWGM 2275B

14*/5*

12/2

UWGM 2279A

5/12

5/11

6/11

6/11

6/10

6/10

7/9

7/7

5*/3*

UWGM 2279B

6/16

6/15

6/14

6/12

6/10

6/9

6/8

5*/5*

 

UWGM 2279C

2*/14

3/13

2/13

2/10*

3/10

UWGM 2280

14/25*

13/17*

11*/29

12/25*

10*/26

15/24*

16/25

23/21

40*/14

UWGM 2281

4/13

4/12

4/11

4/10

4/9

4/8

4/7

6/6

11/4

7/2

UWGM 2284

5/20

5/18

5/17

5/15

5/14

6/12

7/12

8/10

3*/7*

UWGM 2700

5/21

5/19

6/18

6/18

7/17

7/16

8/14

10/13

8*/9

  1. Length/width. All measurements in millimetres. Isolated tergites were assigned to a segment based on size and differences in ornamentation. Asterisk (*) indicates an incomplete measurement