Meanings
adjectiveretrochoanitic (not comparable)
- not comparableanatomyThat points backward.
The latter is retrochoanitic during the earliest ontogenetic stages (Fig 4A 2 ) and becomes prochoanitic (Fig 6B ) at D≈1.8 mm, after approximately 18 septa and in the first half of the second whorl (in CPC-1214).
2016 January 14, “Paleobiology of the Latest Tithonian (Late Jurassic) Ammonite Salinites grossicostatum Inferred from Internal and External Shell Parameters”, in PLOS ONE, →DOI
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APA
retrochoanitic. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/retrochoanitic
MLA
“retrochoanitic.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/retrochoanitic. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “retrochoanitic,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/retrochoanitic.
Source: retrochoanitic on Wiktionary, CC BY-SA 4.0.