weitnarblig

English translation: evolute

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
German term or phrase:weitnabelig
English translation:evolute
Entered by: Sarah Lewis-Morgan

17:46 Nov 24, 2020
German to English translations [PRO]
Science - Geology / Fossils
German term or phrase: weitnarblig
This refers to the structure of a fossil, Ceratites nodosus. The sentence concerned is:

Dabei steht immer eine eng gewundene, innen glatte Form (e-Typ) einer ***weitnabligen***, innen knotigen Form (p-Typ) gegenüber – ein Merkmal, das als Geschlechtsunterschied gedeutet wird.

There is a lot of documentation in German, as these fossils were found in this region, with pictures that unfortunately do not help. The documentation that I can find in English does not contain the detail I require. The best I have come up with is "wide-navelled", which seems wrong. Can anyone help?
Sarah Lewis-Morgan
Germany
Local time: 03:33
evolute
Explanation:
weitnabelig heißt, dass die Windungen die jeweils vorher gegangene wenig umfassen.
https://westfalen.museum-digital.de/index.php?t=objekt&oges=...
Merkmale
Goniatiten besitzen wie Ammoniten ein zumeist in einer Ebene spiralig eingewickeltes, gekammertes Gehäuse, das aus drei Schichten aufgebaut ist. Die Formen der Gehäuse variieren erheblich, von kugeligen bis zu dünnen scheibenförmigen Gehäusen. Die äußeren Windungen umfassen die jeweils inneren. Je nach dem Grad der Umfassung sind die Windungen involut – die inneren Windungen werden durch die äußeren mehr oder weniger verdeckt – oder evolut (die äußeren Windungen umfassen die inneren kaum).
https://www.biologie-seite.de/Biologie/Goniatiten
Coiled shells
Many nautiloid and ammonoid shells are tightly coiled and grow about an axis in a single disk-like plane (they are therefore planispiral, a term that is also applied to the shells of some gastropods). In some species, younger whorls do not overlap earlier whorls; these shells are called evolute. In other species, the younger chambers partially cover earlier whorls; these shells are called convolute. Finally, some species have shells that are involute: the youngest whorls completely (or almost completely) cover all of the earlier whorls (as observed in the shell of Nautilus).
https://www.digitalatlasofancientlife.org/learn/mollusca/cep...
Selected response from:

Johanna Timm, PhD
Canada
Local time: 19:33
Grading comment
Thank you.
4 KudoZ points were awarded for this answer



Summary of answers provided
3 +1evolute
Johanna Timm, PhD


Discussion entries: 2





  

Answers


4 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +1
weitnabelig
evolute


Explanation:
weitnabelig heißt, dass die Windungen die jeweils vorher gegangene wenig umfassen.
https://westfalen.museum-digital.de/index.php?t=objekt&oges=...
Merkmale
Goniatiten besitzen wie Ammoniten ein zumeist in einer Ebene spiralig eingewickeltes, gekammertes Gehäuse, das aus drei Schichten aufgebaut ist. Die Formen der Gehäuse variieren erheblich, von kugeligen bis zu dünnen scheibenförmigen Gehäusen. Die äußeren Windungen umfassen die jeweils inneren. Je nach dem Grad der Umfassung sind die Windungen involut – die inneren Windungen werden durch die äußeren mehr oder weniger verdeckt – oder evolut (die äußeren Windungen umfassen die inneren kaum).
https://www.biologie-seite.de/Biologie/Goniatiten
Coiled shells
Many nautiloid and ammonoid shells are tightly coiled and grow about an axis in a single disk-like plane (they are therefore planispiral, a term that is also applied to the shells of some gastropods). In some species, younger whorls do not overlap earlier whorls; these shells are called evolute. In other species, the younger chambers partially cover earlier whorls; these shells are called convolute. Finally, some species have shells that are involute: the youngest whorls completely (or almost completely) cover all of the earlier whorls (as observed in the shell of Nautilus).
https://www.digitalatlasofancientlife.org/learn/mollusca/cep...


Johanna Timm, PhD
Canada
Local time: 19:33
Native speaker of: Native in GermanGerman
PRO pts in category: 48
Grading comment
Thank you.

Peer comments on this answer (and responses from the answerer)
agree  Wendy Streitparth
16 hrs
  -> Thanks Wendy!
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