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Mesembrioxylon mazzonii
Taxonomy
Mesembrioxylon mazzonii was named by Petriella (1972) [Adicional samples: LP-PB 9062, LP-PB 9063]. It is not extant. It is considered to be a form taxon. Its type specimen is Holotype: LP-PB 9064, a wood. Its type locality is Puesto Fernández - wood, which is in a Paleocene terrestrial sandstone in the Bororó Formation of Argentina.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1972 | Mesembrioxylon mazzonii Petriella p. 173 figs. Lám. III A-E; fig. 3 |
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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.
†Mesembrioxylon mazzonii Petriella 1972
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. Petriella 1972 | Anillos de crecimiento presentes, poco conspicuos. Traqueidas cuadrangulares o rectangulares, lúmen de las mismas circular; punteaduras exclusivamente radiales, areoladas, uniseriadas, rara vez biseriadas, separadas, circulares. Crásulas presentes. Campos de cruzamiento con 1-2 punteaduras simples o casi simples, fenestriformes. Radios uni y biseriados de 1-38 células de altura. |
Measurements
No measurements are available
No ecological data are available
Age range: Early/Lower Paleocene or 66.00000 to 61.70000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Paleocene | Argentina (Chubut) | Mesembrioxylon mazzonii (type locality: 169852 172212) |