Coilopoceras springeri
USNM 278120

C. springeri r/l

80.043

3.884

4.85%

 Coilopoceras springeri
USNM 278121

C. springeri left

24.121

4.216

17.48%

H. sandovalensis
USNM 275883

C. springeri left

41.134

19.43

47.24%

H. sandovalensis
(Kennedy, 1988)
USNM 420145 pattern 2

C. springeri right

77.194

15.89

20.58%

H. sandovalensis
(Young's Suture Catalog)
USNM 420145 pattern 3

C. springeri right

84.676

22.331

26.37%

Coilopoceras inflatum
USNM 275937

C. colleti right

62.199

13.899

22.35%

H. wohltmanni
USNM 307655

C. springeri r/l

73.199

4.134

5.65%

C. colleti right

73.199

16.651

22.75%

H. sandovalensis right

73.199

28.181

38.50%

Coilopoceras colleti
USNM 278093

C. springeri r/l

44.316

5.015

11.32%

Coilopoceras colleti
USNM 278094

C. springeri r/l

91.61

24.137

26.35%

Coilopoceras inflatum
USNM 275939

C. springeri r/l

93.06

29.241

31.42%

C. colleti right

93.06

40.438

43.45%

H. sandovalensis right

93.06

44.599

47.92%

TMM NPL 1848-A

C. springeri left

24.731

4.46

18.03%

TMM NPL 1848-AA

C. springeri r/l

78.683

6.348

8.07%

C. colleti right

78.683

14.888

18.92%

H. sandovalensis right

78.683

35.141

44.66%

TMM NPL 1849

C. springeri right

88.586

0.923

1.04%

TMM NPL 1850-A

C. springeri right

26.209

3.93

14.99%

TMM NPL 1851-R

C. springeri r/l

69.703

2.406

3.45%

TMM NPL 1852

C. springeri r/l

66.434

1.503

2.26%

TMM NPL 1853

C. springeri r/l

104.813

8.987

8.57%

TMM NPL 1854

C. springeri r/l

75.717

2.716

3.59%

TMM NPL 1855

C. springeri r/l

56.839

6.354

11.18%