Skip to main content

Table 1 Overview of species, postembryonic stages and number of specimens analyzed in the course of this study

From: Comparison of ventral organ development across Pycnogonida (Arthropoda, Chelicerata) provides evidence for a plesiomorphic mode of late neurogenesis in sea spiders and myriapods

Species Family # scanned & analyzed specimens
penultimate postlarval instar last postlarval instar 1st juvenile instar later juvenile instar
Phoxichilidium femoratum
(Rathke, 1799)
Phoxichilidiidae 1 31 12
Tanystylum orbiculare
Wilson, 1878
Ammotheidae 4 5 4 1
Meridionale sp.
(“variabilis” complex sensu Arango & Brenneis, 2013 [45])
Callipallenidae 6
Callipallene brevirostris
(Johnston, 1837)
Callipallenidae 6
Stylopallene cheilorhynchus
Clark, 1963
Callipallenidae 5 1
Pycnogonum litorale
Strøm, 1762
Pycnogonidae 8 5 1