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Table 4 List of characters measured for morphometric analyses

From: Combining morphological and genomic evidence to resolve species diversity and study speciation processes of the Pallenopsis patagonica (Pycnogonida) species complex

Abbreviation

Description

trunk L

total length of trunk

ceph. segment

length of cephalic segment

trunk W1

diameter of lateral process of 1st trunk segment

trunk W12

width of trunk between 1st and 2nd lateral processes

trunk W2

diameter of lateral process of 2nd trunk segment

trunk W23

width of trunk between 2nd and 3rd lateral processes

trunk W3

diameter of lateral process of 3rd trunk segment

trunk W34

width of trunk between 3rd and 4th lateral processes

trunk W4

diameter of lateral process of 4th trunk segment

trunk H

height of trunk

abdomen L

length of abdomen

abdomen W

width of abdomen

ocular tubercle H

height of ocular tubercle

ocular tubercle W

width of ocular tubercle

eye H

height of anterior eye

forehead H

distance between eyes and apex of ocular tubercle

eyes distance

distance between eyes

proboscis L

proboscis length

proboscis basis

diameter of proboscis at proximal basis

proboscis thickest

diameter of proboscis at thickest part of proboscis

proboscis thick2tip

distance between tip of proboscis and thickest part

proboscis thinnest

diameter of proboscis at thinnest part of proboscis

proboscis thin2tip

distance between tip of proboscis and thinnest part

l/r palp

length of palp bulb

l/r cheliphore 1–3

length of first 3 cheliphore articles; left and right

l/r cheliphore 4

ultimate cheliphore article (moveable finger)

l/r oviger 1–10

length of all 10 ovigeral articles; left and right

l/r WL1–4 coxa1

length of 1st coxa for all 4 pairs of walking leg; left and right

l/r WL1–4 coxa2

length of 2nd coxa for all 4 pairs of walking leg; left and right

l/r WL1–4 coxa3

length of 3rd coxa for all 4 pairs of walking leg; left and right

l/r WL1–4 femur

length of femur for all 4 pairs of walking leg; left and right

l/r WL1–4 tibia1

length of 1st tibia for all 4 pairs of walking leg; left and right

l/r WL1–4 tibia2

length of 2nd tibia for all 4 pairs of walking leg; left and right

l/r WL1–4 tarsus

length of the tarsus for all 4 pairs of walking leg; left and right

l/r WL1–4 propodus

length of the propodus for all 4 pairs of walking leg; left and right

l/r WL1–4 claw

length of the claw for all 4 pairs of walking leg; left and right

l/r WL1–4 aux. claw

length of auxiliary claw for all 4 pairs of walking leg; left and right

  1. Description of how characters were measured and abbreviations for all as used in Table 3 and Additional file 4