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Metabaltoceras ✝
| Description | Metabaltoceras, first described by Rousseau Flower in 1964, is a fossil cephalopod genus in the family Baltoceratidae, with a small, slender, fairly fusiform shell, and a large empty siphuncle in contact with the ventral surface. The siphuncle is achoanitic, having virtually no septal necks, segments formed all but entirely by connecting rings. Shells are generally straight, beginning with a subcircular cross section in the adapical portion but becoming faintly depressed adorally (toward the front). Sutures are straight and transverse except ventrally, where they produce deep, prominent lobes. From Wikipedia article at https://en.wikipedia.org/wiki/Metabaltoceras, which is released under the Creative Commons Attribution-Share-Alike License 3.0. | |||||||||||||||||||||||||||||||||||||||||||||
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| Source Data |
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| Rank | genus | |||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (GBIF) | Life : Animalia : Mollusca : Cephalopoda : Baltoceratidae : Metabaltoceras | |||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Mollusca : Cephalopoda : Orthocerida : Baltoceratidae : Metabaltoceras | |||||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | |||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Metabaltoceras Flower, 1964 | |||||||||||||||||||||||||||||||||||||||||||||
| Name Published In | Mem. Inst. Min. Technol. New Mex. 12 | |||||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 3 | |||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 485 - 479 Ma Paleozoic | |||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 479 - 468 Ma Ordovician | |||||||||||||||||||||||||||||||||||||||||||||
| Environment | marine (based on Orthocerida) | |||||||||||||||||||||||||||||||||||||||||||||
| Motility | actively mobile (based on Orthocerida) | |||||||||||||||||||||||||||||||||||||||||||||
| Vision | well-developed (based on Cephalopoda) | |||||||||||||||||||||||||||||||||||||||||||||
| Diet | carnivore (based on Orthocerida) | |||||||||||||||||||||||||||||||||||||||||||||
| Taphonomy | aragonite (based on Orthocerida) | |||||||||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | R. H. Flower. 1964. The Nautiloid Order Ellesmeroceratida (Cephalopoda). State Bureau of Mines and Mineral Resources New Mexico Institute of Mining and Technology, Memoir 12:234 p. | |||||||||||||||||||||||||||||||||||||||||||||
| Wikipedia | https://en.wikipedia.org/wiki/Metabaltoceras |
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Metabaltoceras fusiforme ✝ species | accepted (GBIF) listed (PBDB) | 2 | 479 Ma Early/Lower Ordovician | 479 Ma Early/Lower Ordovician | |
| Metabaltoceras minutum ✝ species | accepted (GBIF) listed (PBDB) | 1 | 485 Ma Cambrian | 485 Ma Cambrian |
Synonymy List
| Year | Name and Author |
|---|---|
| 1964 | Metabaltoceras Flower p. 108 |
| 2002 | Metabaltoceras Sepkoski, Jr. |
References
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
