Table 1 Differences observed in Diastylis enigmatica between the Weddell Sea and the Ross Sea and between different developmental stages

R UP to last pleon segment

2.2

?

3.1

2.8

2.8

2.7

2.3

2.9

2.9

R UP to exopod

2.3

?

2.7

?

2.1

1.9

1.8

2.1

1.8

R postanal to preanal part of telson

~1.2

~1^e

1.9

1.4

2.0

1.3

1.2

1.4

1.4

R distal to proximal part of P1

1.0

1.2

1.3

1.2

1.2

1.3

1.2

1.1

1.1

Setation of endopod of Uropod

5/4/?

?

3/3/4

3/3/4

3/4/4

3/3/3

2/2/2

3/3/3

2/2/3

Number of spines^f on basis of Mp3

5

3

4

4

5

3

2

5

3

Number of spines on merus of P2

4

0

0

0

0

0

0

0

0

Number of spines on Ped of A1

3

?

3

3

7

3

2

3

?

Gap between spines on Ped of A1

No

?

Yes

Yes

No

Yes

Yes

Yes

Yes

Number of articles of MF/AF of A1

3/3

?

6/4

6/4

6/4

5/3

4/3

4/3

3/3