FAMILY THALESTRIDAE

 

KGG 1 – characters

 

1.         P.1

n:n – number of segments in Exp. and Enp. respectively.

 

2.         P.2-P.4 Exp., distal segment.

n:n:n – number of setae and/or spines on P.2, P.3 and P.4 respectively.

 

3.         P.3-P.4 Enp., middle segment.

n:n – number of setae on the inner border of P.3 and P.4 respectively.

 

4.         A.2 Exp.

n – number of segments.

 

5.         Rostrum

p:d – present, showing a distinct articulation with the cephalothorax.

p:f – present, immovably fused to the cephalothorax.

a – absent.

 

 

KGG 1

 

P.1

segs.

P.2-P.4

Exp.3

setae

P.3-P.4

Enp.2

inner

setae

A.2

Exp.

segs.

R.

 

3:3

7:8:8

2:2

3

p:d

KGG 100

3:3

7:8:8

2:1

3

p:d

KGG 200

3:3

7:8:8

1:1

3

p:d-f

KGG 300

3:3

7:8:8

1:1

2

p:d

KGG 400

3:3

7:8:8

1:1

2

p:f

KGG 500

3:3

7:8:8

1:1

2

a?

Idomene scotti

Idomene cookensi Pallares, 1975b

3:3

7:8:7

2:2

3

p:d

Paradactylopodia oculata

3:3

7:7:8

1:1

3

(p:d)?

Pseudotachidius ibericus Becker & Schriever, 1979

3:3

7:7:7

2:1

2

p:d

Protolatiremus sakaguchii Itô, 1974

3:3

7:?:7

1:1

3

p:d

Pseudotachidius coronatus

3:3

6-7:7:7

2:2

1

p:f

Dactylopusioides macrolabris

3:3

6:6:6

1:1

3

p:d

Pseudotachidius vikingus (F)

3:3

6:6:5

1:1

3

p:d

Pseudotachidius abyssalis Becker, 1974

3:3

?:?:5

?:1

?

p:d

Pseudotachidius similis

3:2

7:8:8

2:2

3

p:f

Dactylopodopsis a)

3:2

7:8:8

2:2

2

p:d

Dactylopodia pontica

Dactylopodia pectines Pallares, 1975b

3:2

7:8:8

2:2

1

p:f

Sewellia tropica

3:2

7:8:8

2:1

1-2

p:d

KGG 600

3:2

7:8:8

1:2

2

p:d

Rhynchothalestris agigensis

3:2

7:8:8

1:1

3

p:d

Pseudotachidius horikoshii Itô, 1983

3:2

7:8:8

1:1

2-3

a-p:f

KGG 700

3:2

7:8:7

2:2

2

p:d

Peltthestris tripartita

3:2

7:8:7

1:1

3

p:d

Pseudotachidius bipartitus Montagna, 1980

Pseudotachidius bipartitus pacificus Itô, 1983

3:2

7:6:6

? e)

3

p:f

Dactylopia peruana Becker, 1974

3:2

6:6:6

1:1

3

p:f

Pseudotachidius minutus Itô, 1983

3:2

5:6:5-6

1:1

2

p:d

Marionobiotus jeanneli

2:3

7:8:8

2:2

3

p:f

Diarthrodes tetrastachyus Yeatman, 1976

Diarthrodes lilacinus Pallares, 1977

2:3

7:8:8

2:2

2

p:f

Diarthrodes major

2:3

7:8:8

2:2

1

p:f

Diarthrodes aegideus

2:3

7:8:8

2:1

3

p:f

Diarthrodes b)

2:3

7:8:8

2:1

2

p:f

Diarthrodes c)

2:3

7:8:8

2:1

1

p:f

Diarthrodes nanus

Diarthrodes drachi Bodiou, 1974

2:3

7:7:7

1:1

1

p:f

Diarthrodes gurneyi

2:3

7:?:?

?

3

p:f

Diarthrodes cystoecus a)

2:3

6:6:6

2:1

1

p:f

Diarthrodes parvulus Pallares, 1977

2:3

?

?

2

p:f

Diarthrodes pusillus

2:3

?

?

1

p:f

Diarthrodes novae-zealandiae

2:2

7:8:8

2:1

1

p:f

Diarthrodes d)

2:2

7:8:8

1:1

1

p:f

Diarthrodes unisetosus

2:2

7:7:7

2:1

1

p:f

Diarthrodes hirami

2:2

6:7:7

2:2

3

p:f

Diarthrodes zavodniki Apostolov & Petkovski, 1980

2:2

?:8:?

1:?

?

p:f

Diarthrodes intermedius

2:2

?

?

1

p:f

Diarthrodes andrewi

Diarthrodes tumidus

1:3

7:8:8

2:1

3

p:f

Diarthrodes nobilis

1:3

7:8:8

2:1

2

p:f

Diarthrodes purpureus

1:3

?

?

3

p:f

Diarthrodes fahrenbachi

 

 

a)         See general notes on the family.

 

b)         Diarthrodes minutus, ponticus *, assimilis, feldmani.

 

c)         Diarthrodes imbricatus, pygmaeus, sarsi, campbelliensis.

 

d)         Diarthrodes dissimilis, glaber, gravellicola Soyer, 1974d.

 

e)         Segmentation and setation of P.3-P.4 Enp. in this species is complex and variable. The Enp. of either limb may be of 2 or 3 segs. and, if of 3 segs., may have 0 or 1 seta on the 2nd segment. Variation is reported between right and left sides of the same individual (see Becker, 1974).

 

* Diarthrodes ponticus orientalis Apostolov, 1975