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Ulminium chubutense
Taxonomy
Ulminium chubutense was named by Brea (1995). Its type specimen is LPPB 6405, pm LPPB 1199-1211, a wood (Radius), and it is a 3D fossil preserving soft parts.
Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Ulminium chubutense Brea |
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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.
†Ulminium chubutense Brea 1995
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. Brea 1995 | Xilema de porosidad difusa, con una densidad de poros de 14 por mm², poros en su mayoría solitarios redondeados u ovales, múltiples radiales cortos y largos, también se presentan en racimos. Elementos vasculares de 135 µm con un diámetro de 68.8 µm (promedios). Placa de perforación simple, con tabiques algo inclinados de contorno oval. Punteaduras intervasculares areoladas de contorno ovaladas u hexagonales con abertura interna inclusa, alternas a opuestas. |