Danoceras Troedsson 1926
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2025
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| _version_ | 1866902313954705408 |
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| author | Kröger, Björn |
| author_facet | Kröger, Björn |
| contents | <p><b>Genus <i>Danoceras</i> Troedsson, 1926</b></p><p><b>Type species</b></p><p><i>Danoceras ravni</i> Troedsson, 1926, Cape Calhoun, northern Greenland, Cape Calhoun series, Late Ordovician; by original designation.</p><p><b>Diagnosis</b></p><p>Slender diestoceratids with straight or slightly curved shell, and compressed conch cross section with narrow venter and / or dorsum; mature body chamber with widest height and width near its base, with simple constriction close to mature aperture, with apertural widening and shallow hyponomic sinus; siphuncle positioned near conch margin, cyrtochoanitic; necks recumbent, segments elongate, subtrapezoidal in longitudinal section; thin annulosiphonate deposits with distinctive irregular linear processes, which extend adapically and adorally without fusing from segment to segment. (Compiled from Strand 1934, and Sweet 1964b.)</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_14988510 |
| institution | Zenodo |
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| publishDate | 2025 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Danoceras Troedsson 1926 Kröger, Björn Biodiversity Taxonomy Animalia Mollusca Cephalopoda Oncoceratida Diestoceratidae Danoceras <p><b>Genus <i>Danoceras</i> Troedsson, 1926</b></p><p><b>Type species</b></p><p><i>Danoceras ravni</i> Troedsson, 1926, Cape Calhoun, northern Greenland, Cape Calhoun series, Late Ordovician; by original designation.</p><p><b>Diagnosis</b></p><p>Slender diestoceratids with straight or slightly curved shell, and compressed conch cross section with narrow venter and / or dorsum; mature body chamber with widest height and width near its base, with simple constriction close to mature aperture, with apertural widening and shallow hyponomic sinus; siphuncle positioned near conch margin, cyrtochoanitic; necks recumbent, segments elongate, subtrapezoidal in longitudinal section; thin annulosiphonate deposits with distinctive irregular linear processes, which extend adapically and adorally without fusing from segment to segment. (Compiled from Strand 1934, and Sweet 1964b.)</p> |
| title | Danoceras Troedsson 1926 |
| topic | Biodiversity Taxonomy Animalia Mollusca Cephalopoda Oncoceratida Diestoceratidae Danoceras |
| url | https://doi.org/10.5281/zenodo.14988510 |