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Calycraterion

Taxonomy
Calycraterion was named by Karaszewski (1971). Its type is Calycraterion samsonowiczi.

It was assigned to Ichnofossils by Hantzschel (1975).

Species
C. samsonowiczi (type species)

Synonymy list
YearName and author
1971Calycraterion Karaszewski
1975Calycraterion Hantzschel

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RankNameAuthor
—Ichnofossils
RankNameAuthor
genusCalycraterionKaraszewski 1971

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.

G. †Calycraterion Karaszewski 1971
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†Calycraterion samsonowiczi Karaszewski 1971
Diagnosis
ReferenceDiagnosis
W. Hantzschel 1975Regular calyx-shaped depressions; smaller ones similar to impression of lower part of very large hazelnut; inner walls smooth; “calyx” 15 to 40 mm in diameter, 5 to 15 mm in depth; 2 or 3 small circular depressions on the bottom representing outlets of filled burrows, 2 to 5 mm in diameter.