Kallholnoceras Frye, 1987
|
publication ID |
https://doi.org/10.5852/ejt.2025.978.2801 |
|
publication LSID |
lsid:zoobank.org:pub:422E6F06-B4C8-4840-854C-811145D88B32 |
|
DOI |
https://doi.org/10.5281/zenodo.14988523 |
|
persistent identifier |
https://treatment.plazi.org/id/93268783-963A-706A-FDA1-FC4CFDF1FA97 |
|
treatment provided by |
Plazi (2025-03-07 10:46:31, last updated 2025-03-07 11:32:00) |
|
scientific name |
Kallholnoceras Frye, 1987 |
| status |
|
Genus Kallholnoceras Frye, 1987 View in CoL
Type species
Kallholnoceras cornutum Frye, 1987 View in CoL , Kallholn quarry, Kallholn, Dalarna, Sweden, Boda Formation, late Katian; by original designation.
Diagnosis
Exogastric, strongly curved cyrtocones with compressed conch cross section and gibbous mature body chamber; siphuncle close to conch margin, without endosiphuncular deposits with gradually enlarging; septal necks suborthochoanitic; siphuncle slightly expanded within chambers, without endosiphuncular deposits. (Compiled from Frye 1987.)
Frye M. W. 1987. Upper Ordovocian (Harjuan) oncoceratid nautiloids from Boda Limestone, Siljan District, Sweden. Geologiska Foreningens i Stockholm Forhandlingar 109: 83-99. https://doi.org/10.1080/11035898709454748
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
|
Kingdom |
|
|
Phylum |
|
|
Class |
|
|
Order |
|
|
Family |