Meanings
- not comparablerarebiologyHaving the shell external to the body.
These may be very elongate (longicone) or short and rather swollen (brevicone). It has been generally assumed that all fossil cephalopods with straight or curved shells were ectocochlear, i.e. that the shell was wholly external to the body.
2013 July 23, E. N. K. Clarkson, Invertebrate Palaeontology and Evolution, John Wiley & Sons, →ISBN1 more example
Such markings would be apparent only if they were external; this is regarded as good evidence that in such taxa the conch was ectocochlear. Additional evidence is given by cells encrusted with oriented patterns of epizoans that attached[…]
2019 June 4, Ronald Singer, Encyclopedia of Paleontology, Routledge, →ISBN
Cite this entry
ectocochlear. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/ectocochlear
“ectocochlear.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ectocochlear. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “ectocochlear,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/ectocochlear.
Source: ectocochlear on Wiktionary, CC BY-SA 4.0.