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Silurolepis
Taxonomy
Silurolepis was named by Zhang et al. (2010).
It was assigned to Silurolepidae by Zhang et al. (2010).
It was assigned to Silurolepidae by Zhang et al. (2010).
Species
Synonymy list
Year | Name and author |
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2010 | Silurolepis Zhang et al. pp. 129 - 130 |
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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 | |
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G.-R. Zhang et al. 2010 | A large-sized antiarch with a mid-dorsal length of the trunk armor attaining at least 123 mm. The trunk armor is broad and low, with a maximum breadth/length (B/L) index about 80, and without a median dorsal ridge. The dorsolateral ridge of the trunk armor bears a low crest with two rows of tubercles. The AMD plate has a broad anterior margin (nearly half of its total width) and overlaps all neighboring trunk armor plates including the PMD plate; B/L index about 90; lateral corner posteriorly situated; levator fossa undeveloped. The PMD length is approximately 1/4 of the mid-dorsal length of the trunk armor; lateral corner developed and close to the posterior margin of the plate; crista transversalis interna posterior lateral to the posterior ventral process. The ADL plate has a narrow dorsal lamina; about 1.6 times the posterior dorsolateral plate (PDL) in length. The crista transversalis interna anterior is developed in the ADL, and extends backwards along the suture between the ADL and AMD plates. The posterior lateral plate (PL) plus the lateral lamina of the PDL plate have the same depth as the lateral lamina of the ADL. The lateral laminae of the anterior ventrolateral and posterior ventrolateral plates (AVL, PVL) are long and low. |
Measurements
No measurements are available
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Source: c = class, subp = subphylum | |||||
Reference: Carroll 1988 |