liik

Cylindrichnus concentricus Toots, 1966

Taksoni kirjeldused

Diagnosis Long, subcylindrical to subconical burrows, straight to gently curved, vertical to horizontal, having concentrically layered walls.

Sünonüümika

1962 Cylindrichnus concentricus ichnosp. nov. — Toots , lk. 94, joon. 5-7

1966 Cylindrichnus concentricus — Howard , joon. 10

1970 Cylindrichnus concentricus — Frey & Howard , joon. 7b

1974 Cylindrichnus concentricus Howard 1966 — Fürsich , lk. 31-32, joon. Fig. 26, 27

1982 Cylindrichnus concentricus — Frey & Howard , joon. 2E

1985 Cylindrichnus concentricus Howard 1966 — Frey & Howard , lk. 377

1985 Cylindrichnus concentricus Toots, 1962 — Frey & Howard , lk. 378, joon. 8-1; 9

1986 Cylindrichnus concentricus Toots, 1962 — D'Alessandro & Bromley , lk. 77, joon. 10:1; 15:2

1990 Cylindrichnus concentricus Toots, 1962 — Frey & Howard , lk. 814, joon. 17-1, 19-3

1996 Cylindrichnus concentricus Howard 1966 — Paczesna , lk. 56-57, joon. Plate 4:3-6

Klassifikatsioon