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Goniophora tyri
Taxonomy
Goniophora tyri was named by Liljedahl (1994). It is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
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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.
†Goniophora tyri Liljedahl 1994
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Diagnosis
Reference | Diagnosis | |
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J. Kříž 2008 | Goniophora with transverse “finger print” sculpture.
Original description of Goniophora tyri Liljedahl, 1994 may be completed by description of the outer surface sculpture and the shell interior. Outer surface sculpture consists of transversely undulating finger-printlike ribs (Liljedahl 1994), which are almost perpendicular to the dorsal and ventral margins. On the anterior lobe separated from the rest of shell by radial sulcus, only rough growth wrinkles are developed. In the posterior part of the left and right valve is developed large, radially elongated posterior adductor muscle scar with short part of pallial line in ventral direction. Anterior reinforcing ridge is developed ventrally of a smaller, but deep, subcircular anterior adductor muscle scar. |