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surface of the head and on to the lateral surfaces at its posterior end. It is often joined at the posterior end to fixed folds of the head
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64:
Cephalopods of the World an
Annotated and Illustrated Catalogue of Cephalopod Species Known to Date Volume 2 Myopsid and Oegopsid Squids
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which are perpendicular to the nuchal crest; these are known as
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24:
is a prominent transverse ridge that extends across the
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61:P. Jereb; C.F.E. Roper, eds. (2010).
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394:Flotation devices ("secondary fins")
686:) → Juvenile → Subadult → Adult •
14:
72:Food and Agriculture Organization
430:Hepatopancreas (digestive gland)
353:
347:
341:
399:Funnel–mantle locking apparatus
586:Nuchal folds (occipital folds)
581:Nuchal crest (occipital crest)
1:
692:Protoconch (embryonic shell)
727:
36:. It is also known as the
670:
339:
673:Developmental stages:
565:Spadix and antispadix
449:Nephridia ("kidneys")
660:Squid giant synapse
711:Cephalopod zootomy
591:Occipital membrane
464:Pericardial glands
159:Argonautid eggcase
74:Rome. p. 19.
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697:
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629:
529:Suckers and hooks
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471:
454:Nidamental glands
384:Dermal structures
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81:978-92-5-106720-8
40:and the folds as
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684:Doratopsis stage
655:Squid giant axon
574:Occipital region
485:
425:Ctenidia (gills)
420:Branchial hearts
413:Internal anatomy
377:External anatomy
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651:Nervous system
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596:Olfactory organ
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187:Belemnoid guard
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164:Nautiloid shell
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42:occipital folds
38:occipital crest
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642:Chromatophores
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154:Ammonoid shell
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538:Buccal region
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444:Needham's sac
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207:Spirula shell
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202:Gladius (pen)
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192:Cirrate shell
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601:Nuchal organ
585:
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500:Hectocotylus
389:Fins (wings)
295:Body chamber
259:Periostracum
63:
56:
41:
37:
34:nuchal folds
33:
18:nuchal crest
17:
15:
688:Egg fossils
647:Photophores
610:Other parts
555:Odontophore
477:Head &
310:Phragmocone
22:cephalopods
622:Statocysts
459:Osphradium
197:Cuttlebone
123:Cephalopod
48:References
30:integument
680:Paralarva
507:Tentacles
320:Siphuncle
279:Umbilicus
264:Sculpture
169:Orthocone
705:Category
545:Aptychus
517:Dactylus
288:Internal
239:Aperture
232:External
225:Features
180:Internal
147:External
635:General
435:Ink sac
300:Camerae
274:Sutures
125:anatomy
560:Radula
512:Carpus
369:funnel
366:&
364:Mantle
325:Whorls
249:Callus
212:Stylet
78:
26:dorsal
676:Spawn
522:Manus
480:limbs
315:Septa
305:Nacre
269:Spire
254:Lirae
140:Types
132:Shell
68:(PDF)
617:Eyes
550:Beak
495:Arms
437:and
404:Tail
244:Apex
76:ISBN
16:The
439:ink
20:in
707::
690:•
678:→
70:.
44:.
682:(
115:e
108:t
101:v
84:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.