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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