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Table 1 Morphometric characterization of Hemiholosticha kahli nov. spec. (upper line) and Psilotrichides hawaiiensis (lower line)

From: Phylogeny of the ciliate family Psilotrichidae (Protista, Ciliophora), a curious and poorly-known taxon, with notes on two algae-bearing psilotrichids from Guam, USA

Charactera

Mean

M

SD

CV

Min

Max

n

Body, length

66.5

65.0

5.3

8.0

58.0

78.0

21

 

43.2

43.0

4.5

10.5

36.0

54.0

21

Body, width

48.0

47.0

3.8

7.9

42.0

56.0

21

 

28.3

27.0

2.8

10.1

24.0

35.0

21

Body length: width, ratio

1.4

1.4

0.0

3.3

1.3

1.5

21

 

1.5

1.5

0.1

5.5

1.4

1.7

21

Macronuclear nodules, number

2.0

2.0

0.0

0.0

2.0

2.0

21

 

2.0

2.0

0.0

0.0

2.0

2.0

21

PE of anterior Ma to AE of cell, distance

10.7

11.0

1.4

13.4

8.0

14.0

21

 

8.2

8.0

1.8

22.1

5.0

11.0

21

Anterior macronuclear nodule, length

17.4

17.0

1.8

10.2

14.0

21.0

21

 

11.3

11.0

1.5

13.2

9.0

15.0

21

Anterior macronuclear nodule, width

11.5

11.0

1.0

8.5

10.0

13.0

21

 

9.4

9.0

1.0

10.4

8.0

11.0

21

Micronuclei, number

1.0

1.0

0.0

0.0

1.0

1.0

21

 

1.0

1.0

0.0

0.0

1.0

1.0

16

Micronucleus, length

3.3

3.0

0.4

12.3

3.0

4.0

21

 

2.0

2.0

0.0

0.0

2.0

2.0

16

Micronucleus, width

2.5

2.5

0.3

12.6

2.0

3.0

21

 

2.0

2.0

0.0

0.0

2.0

2.0

16

Adoral zone, length

33.3

34.0

2.8

8.5

30.0

41.0

21

 

20.4

20.0

1.4

6.7

18.0

23.0

21

Adoral zone, percentage of body length

50.1

50.7

2.0

4.0

45.1

53.1

21

 

47.6

47.6

3.6

7.6

38.9

52.6

21

Adoral membranelles, number

20.5

21.0

0.7

3.3

19.0

22.0

21

 

22.0

22.0

1.0

4.7

20.0

23.0

18

Adoral membranelles, length of widest base

10.1

10.0

0.9

8.4

9.0

12.0

21

 

4.2

4.0

0.2

5.8

4.0

4.5

21

Buccal cavity, width

10.7

10.0

2.6

24.7

8.0

18.0

21

 

5.5

5.0

0.9

17.1

4.0

7.0

17

AE of paroral to AE of cell, distance

6.1

6.0

1.9

31.0

3.0

10.0

21

 

6.3

6.0

1.1

17.5

4.0

8.0

21

Paroral, length

23.4

23.0

2.5

10.5

20.0

30.0

21

 

12.3

12.0

1.5

12.4

10.0

16.0

21

AE of endoral to AE of cell, distanceb

8.5

9.0

1.3

15.1

6.0

11.0

21

Endoral, lengthb

10.1

10.0

1.6

15.4

8.0

14.0

21

Left marginal row, number of cirri

5.1

5.0

0.6

11.1

4.0

6.0

21

 

3.0

3.0

0.0

0.0

3.0

3.0

21

Postoral row, number of cirri

1.6

2.0

0.5

32.8

1.0

2.0

16

 

1.7

2.0

0.5

27.7

1.0

2.0

20

Ventral row 1, number of cirri

2.0

2.0

0.0

0.0

2.0

2.0

20

 

2.0

2.0

0.0

0.0

2.0

2.0

20

Ventral row 2, number of cirri

3.0

3.0

0.0

0.0

3.0

3.0

16

 

1.1

1.0

0.3

28.0

1.0

2.0

20

Ventral row 3, number of cirri

9.4

9.5

0.8

8.3

8.0

11.0

18

 

3.3

3.0

0.6

17.3

2.0

4.0

20

Ventral row 4, number of cirrib

3.4

3.0

0.5

14.6

3.0

4.0

20

Right marginal row, number of cirri

10.4

10.0

0.7

6.5

9.0

12.0

21

 

4.6

4.5

0.6

13.3

4.0

6.0

20

Dorsal kinety 1, number of bristles

7.5

8.0

0.9

12.4

6.0

9.0

21

 

7.5

7.0

0.8

10.1

7.0

9.0

20

Dorsal kinety 2, number of bristles

10.4

11.0

1.2

11.7

7.0

12.0

14

 

7.4

7.0

0.5

6.8

7.0

8.0

17

Dorsal kinety 3, number of bristles

12.9

13.0

1.0

8.1

11.0

15.0

20

 

12.7

12.0

1.4

11.2

10.0

15.0

20

Cirri, total number

31.4

31.0

1.4

4.3

29.0

33.0

15

 

19.0

19.0

1.2

6.2

17.0

21.0

20

  1. aAll data are based on protargol-impregnated specimens. Measurements in μm
  2. bData for Psilotrichides hawaiiensis
  3. Abbreviations: AE anterior end, AZM adoral zone of membranelles, CV coefficient of variation in %; M median, Ma macronuclear nodule, Max maximum, Mean arithmetic mean, Min minimum, n sample number, PE posterior end, SD standard deviation