Published December 31, 2018 | Version v1
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Figure 16 in Recognising variability in the shells of argonauts (Cephalopoda: Argonautidae): the key to resolving the taxonomy of the family

Description

Figure 16. Argonauta nouryi shell displaying subsumed ears: a–d, four perspectives of shell #139 (72.2 mm shell length, SBMNH 345768) displaying subsumed ear (E) associated with a shift from Type 1 (T1) to Type 2 (T2) shell formation; a, left lateral view; b, close-up of subsumed ear, left lateral view; c, close-up of subsumed ear, oblique left lateral view; d, anterior aperture view. The shell added to the aperture edge in Type 2 shell formation does not expand the ear, instead subsuming it. The resulting aperture edge is not eared. Scale bars = 1 cm.

Notes

Published as part of Finn, Julian K., 2018, Recognising variability in the shells of argonauts (Cephalopoda: Argonautidae): the key to resolving the taxonomy of the family, pp. 63-104 in Memoirs of Museum Victoria 77 on page 78, DOI: 10.24199/j.mmv.2018.77.05, http://zenodo.org/record/12213968

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Journal article: 10.24199/j.mmv.2018.77.05 (DOI)
Journal article: urn:lsid:plazi.org:pub:FFCE322F7A60FFDED176FFEDFF81FF80 (LSID)
Journal article: http://publication.plazi.org/id/FFCE322F7A60FFDED176FFEDFF81FF80 (URL)
Journal article: https://zenodo.org/record/12213968 (URL)