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Rusophycus crimesi

Sister species lacking formal opinion data

Synonymy list
YearName and author
1990Rusophycus crimesi Fillion and Pickerill

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RankNameAuthor
Ichnofossils
genusRusophycusHall 1852
RankNameAuthor
speciescrimesi

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.

Rusophycus crimesi Fillion and Pickerill 1990
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Diagnosis
ReferenceDiagnosis
D. Fillion and R. K. Pickerill 1990Rusophycus with very regular, deeply impressed and
clearly separated scratch marks. V-angle is 90 degrees. Scratch
marks are bunched in twos but this does not interfere with their
regular appearance. Criss-crossing may produce a faint rhombic
pattern. Genal spine ridges absent.
Measurements
No measurements are available
No ecological data are available

Age range: Tremadoc or 486.40000 to 477.10000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Tremadoc486.4 - 477.1Canada (Newfoundland) Rusophycus crimesi (175844)