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Carpolithus radiatus
Taxonomy
Carpolithus radiatus was named by Chandler (1966). Its type specimen is BYU 51, 53, 58–60, a seed/fruit, and it is a 3D body fossil. Its type locality is Last Chance Road / Willow Springs, which is in a Kimmeridgian/Tithonian lacustrine - small sandstone in the Morrison Formation of Utah.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Carpolithus radiatus Chandler p. 163 |
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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.
†Carpolithus radiatus Chandler 1966
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. E. J. Chandler 1966 | Stalked circular peltate seeds about 8 to 15 mm. in diameter with thick integuments enclosing in some cases cast of seed cavity of albuminous seed. Seed casts compressed at right angles to axis sometimes having a central depression connected with the margin on one side by a radial channel. Micropyle central ? Chalaza on lower surface contiguous with stalk. Hilar scar marginal indicated by truncation on cast. Few specimens showing narrow radial cavities instead of seed- casts (? anthers). Some of these have a stout central canal with fibre strands extending throughout their length. |
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||
Age range: base of the Kimmeridgian to the top of the Tithonian or 157.30000 to 145.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kimmeridgian - Tithonian | USA (Utah) | Carpolithus radiatus (type locality: 221973) |