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Rinconodus
Taxonomy
Rinconodus was named by Panzeri et al. (2022). Its type is Rinconodus salvadori.
It was assigned to Ceratodontidae by Panzeri et al. (2022), Panzeri (2023).
It was assigned to Ceratodontidae by Panzeri et al. (2022), Panzeri (2023).
Species
R. salvadori (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2022 | Rinconodus Panzeri et al. |
| 2023 | Rinconodus Panzeri p. 125 |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| K. M. Panzeri et al. 2022 | Dipnoan fish characterized by having a roughly rounded skull with a high degree of fusion and/or loss of dermal bones and a unique combination of characters. Skull roof bones organized in three series: i) medial series composed by two unpaired bones; ii) mediolateral series composed by two paired bones; and iii) lateral series with at least one bone. anterior medial bone without sensory canals. lateral line system partially enclosed in the anterior mediolateral bone and with pores. Anterior mediolateral bone with a descending process for articulation with the ascending pterygopalatine process of the upper jaw. Anterior mediolateral bone with an overlapping suture with the posterior mediolateral bone. Absence of pineal foramen. Upper tooth plates contiguous or close to one another with five denticulations. Lower tooth plates widely separated with four denticulations. Ridges originating postero-medially. Medial edge of tooth plates longer than the lingual edge and equally curved. First denticulation of upper tooth plates longer and thinner than the remaining den-ticulations, and posteriorly curved. First denticulation of lower tooth plates relatively straight and longer than the remaining. an oblong or elliptical upper symphysis and a linear lower symphysis. The pterygopalatine process is present (at level of the second denticulation). Double prearticular groove. Pattern of wear in form of circles on furrows, on mediolingual edge and over the plateau. Aspondylous vertebral column with a persistent and functional notochord in adult specimens. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Kiessling 2004, Carroll 1988, Hendy et al. 2009 | |||||