Skip to main content

Table 1 Range of egg sizes of species belonging to various pycnogonid taxa

From: From egg to “no-body”: an overview and revision of developmental pathways in the ancient arthropod lineage Pycnogonida

Taxon Species Egg diameter [μm] Source
Ammotheidae Achelia echinata 75 [17]
Tanystylum orbiculare 80 [14]
Tanystylum intermedium 60 [53]
Nymphonella tapetis 70 [79]
Ammothella tuberculata 67.5 [89]
Pallenopsidae Pallenopsis hodgsoni >600 Brenneis pers. observation
Nymphonidae Nymphon spinosum 600 [53]
Nymphon brevicaudatum 600 [93]
Nymphon gracilipes (“N. fuscum”) 120–150 [93]
Nymphon macrum (“N. brevicollum”) 260 [93]
Callipallenidae Callipallene brevirostris 250–280 [14, 60]
Callipallene emaciata ~200 [17]
Propallene longiceps 300 [42]
Propallene kempi 400–500 [109]
(most likely erroneous)
  ~200 Brenneis pers. observation.
Parapallene avida ~250 [92]
Neopallene sp. 450 [53]
Meridionale sp. ~300 Brenneis pers. observation.
Endeidae Endeis spinosa 50–60 [17, 60]
Phoxichilidiidae Anoplodactylus angulatus 30 [17]
Anoplodactylus erectus 30 [89]
Anoplodactylus jonesi (“A. antillianus”) 27–36 [37]
Anoplodactylus eroticus ~40 [86]
Phoxichilidium femoratum
(“P. maxillare”, “P. tubulariae”)
~50 [14, 87]
Pycnogonidae Pycnogonum litorale ~130 [10]