FAMILY TETRAGONICIPITIDAE

KGG 1 – characters (Wells, 1985)

1. Cephalothorax ornamentation

p – process at posterior lateral corner present.

a – process at posterior lateral corner absent.

2. A.1, large dentiform projection

(Note: usually similar in both sexes, but may be reduced in the male and well developed in the female)

a – absent.

1 – present on first segment.

2 – present on the second segment.

3. P.1 Enp.

n – number of segments.

4. P.2-P.4, distal (or only) segment

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

5. P.2-P.4 Exp.3

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

KGG 1

Cph. orn.	A.1 proj.	P.1 Enp.	P.2-P.4 Enp. distal seg. setae	P.2-P.4 Exp.3 setae
p	1	2	3:3:2	6:6:5	Laophontella typica
p	1	2	3:3:1	6:6:5	Laophontella armata
p	1	2	3:3:1	6:6:4-5	Laophontella horrida
a	1	2	4:4:4	6:7:7	Tetragoniceps prima
a	1	2	3:3:3	6:5:7	Tetragoniceps bergensis
a	1	2	3:3:?	6:5:4	Tetragoniceps longicaudata
a	1	2	3:3:3	5:5:5	Tetragoniceps bookhouti (F)
a	1	2	3:3:3	5:4:7	Tetragoniceps truncata
a	1	2	3:3:3	4:4:5	Tetragoniceps malleolatus
a	1	2	2:3:3	5:5:5	Tetragoniceps bookhouti (M)
a	1	2	2:2:3	4:3:5	Tetragoniceps brownei (F)
a	1	2	2:?:3	5:?:6	Tetragoniceps arenicolous
a	1	2	?:3:3	?:5:6	Tetragoniceps scotti
a	1	2	?:?:2	?:?:7	Tetragoniceps dubius
a	1	2	?	?	Tetragoniceps brevicauda
a	2	3	3:3:2	5:4:5	Protogoniceps
a	2	2	2-3:1-3:1-3	4-5:4-6:4-7	KGG 100
a	2	2	?	?	Phyllopodopsyllus minor
a	a	3	3:3:4	4:4:7	Diagoniceps trifidus
a	a	3	3:3:3	5:5:8	Diagoniceps menaiensis
a	a	3	2:2:2	4:4:4	Pteropsyllus
a	a	2	4:4:4-5	6:7:8	Diagoniceps bocki
a	a	2	4:4:4	6:7:8	Diagoniceps kunzi
a	a	2	3:3:3	5:6:8	Diagoniceps monodi
a	a	2	2-3:2-3:2-4	4-5:4-6:5-7	KGG 200
a	a	2	2-3:1:1	3:2:2	Oniscopsis
a	a	2	2:2:3	4:3:5	Tetragoniceps brownei (M)
a	a	2	?	?	Phyllopodopsyllus tristanensis