| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Graysonia
Taxonomy
Synonymy list
| Year | Name and author |
|---|---|
| 1952 | Graysonia Stephenson |
| 1975 | Graysonia Hantzschel |
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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.
G. †Graysonia Stephenson 1952
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. Hantzschel 1975 | Borings in shells of pelecypods and gastropods, preferentially in thicker shells; “zoarium” consisting of a compound system of “tubular stolons” and “vesicles (internodes)”; “stolons” rather irregularly distributed, forming connected series of little arches which may form complicated meshworks, “vesicles” irregularly subovate, ranging in size from microscopic to 4.5 mm, often crowded together but also widely scattered, intermingled with the “stolons.” |
Measurements
No measurements are available
No ecological data are available
Age range: base of the Early/Lower Albian to the top of the Cenomanian or 112.03000 to 93.90000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Albian | United Kingdom (England) | G. sp. (1782 1847) | |
| Cenomanian | USA (Texas) | G. bergquisti (4638 4640 4642 4645 6469 6473 6541 6548 6563) | |
| Middle Cenomanian - Late/Upper Cenomanian | USA (Texas) | G. bergquisti (4644) |