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Belemnites (Belemnopsis)
Taxonomy
Belemnites (Belemnopsis) was named by Bayle (1878) [Sepkoski's age data: J Aale K Haut-l Sepkoski's reference number: 1066,1222]. Its type is Belemnites sulcatus.
It was replaced with Lagonibelus by Riegraf (2000); it was reranked as Belemnopsis by Mutterlose (1986), Doyle and Kelly (1988), Sepkoski (2002) and Challinor and Hikuroa (2007).
It was assigned to Belemnites by Bayle (1878); to Belemnitida by Sepkoski (2002); and to Belemnopseidae by Mutterlose (1986), Doyle and Kelly (1988) and Challinor and Hikuroa (2007).
It was replaced with Lagonibelus by Riegraf (2000); it was reranked as Belemnopsis by Mutterlose (1986), Doyle and Kelly (1988), Sepkoski (2002) and Challinor and Hikuroa (2007).
It was assigned to Belemnites by Bayle (1878); to Belemnitida by Sepkoski (2002); and to Belemnopseidae by Mutterlose (1986), Doyle and Kelly (1988) and Challinor and Hikuroa (2007).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1878 | Belemnites (Belemnopsis) Bayle |
| 1986 | Belemnopsis Mutterlose p. 11 |
| 1988 | Belemnopsis Doyle and Kelly p. 19 |
| 2002 | Belemnopsis Sepkoski |
| 2007 | Belemnopsis Challinor and Hikuroa p. 6 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Subg. †Belemnites (Belemnopsis) Bayle 1878
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. B. Challinor and D. C. H. Hikuroa 2007 | Guard moderately elongate and robust, to short and very robust, c. 100 mm long and c. 12-15 mm in maximum diameter; larger and smaller forms known. Cross section at mid-guard and apical region usually depressed, equi-dimensional to compressed anteriorly. Median ventral groove strongly developed, usually extends nearly to the apex, shorter in some taxa. Alveolus short in relation to guard length. Double lateral lines are present, often poorly developed, but more prominent in pre-adult forms. Developmental sequence includes a slender, sometimes strongly hastate, juvenile to early immature guard (our concept). |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Collections
No collection or age range data are available