| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Lucina portlandica was named by Sowerby (1836).
It was recombined as Mesomiltha portlandica by Alencaster (1977).
It was recombined as Mesomiltha portlandica by Alencaster (1977).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1836 | Lucina portlandica Sowerby p. 347 figs. Pl. 22, Fig. 11 |
| 1977 | Mesomiltha portlandica Alencaster p. 157 figs. 6a-c |
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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.
†Mesomiltha portlandica Sowerby 1836
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 9.49 | 9.00 | 10.0 | 9.50 | 0.707 |
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| Source: g = genus, f = family, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Kimmeridgian to the top of the Tithonian or 154.80000 to 143.10000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kimmeridgian | Mexico (Chiapas) | Mesomiltha portlandica (98672) | |
| Kimmeridgian | Portugal | Lucina portlandica (67958) | |
| Tithonian | United Kingdom | Lucina portlandica (68088) |