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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]