Dideroceras glauconiticum
Sugerowana cytacja: Moczyński 2019. Dideroceras glauconiticum Heinrichson 1935. Ikonoteka (http://ikonoteka.paleo.pan.pl/xwiki/bin/viewrev/Species/Dideroceras+glauconiticum)
 Dideroceras glauconiticum (Heinrichson, 1935); Paroistodus originalis Zone, Volkhovian, erratic boulders, Poland. 1. Phragrnocone in ventral (a) and lateral (b) views, ZPAL N /02 5; boulder E- 116, Rozewie. 2. Medial section through a phragmocone, IG 8. H. 265; tile from Opatów. 3. Transverse section through a phragmocone at the mid-length of the specimen, ZPA L N/030; boulder E-116. Rozewie. 4. Medial section through a phragmocone, IG 8. 11. 267; Opatów. 5. Medial section through spiculum of a phragmocone, ZPAL N/039 ; boulder E-228, Międzyzdroje. 6. Transverse section through a phragmocone at the mid-length of the spiculum, ZPAL N/032; boulder E-116. Rozewie. 7. Medial section through spiculum of a phragmocone, ZPAL N/094; boulder E-116, Rozewie. 8. Medial section thr ough spiculum and shell of a phragmocone, IG 8.II.258a, Opatów. 9. Phragmocone in ventral view, IG 8.II. 264, Opatów. Diagnoza Moderately long shell with long air camerae; the length of the septal necks is one third of a chamber length but highly variable; the siphuncle of variable diameter. The spiculum is most commonly drop-like in cross-section, its calcification commenced at the dorsal and lateral sides. Porównanie Autekologia Występowanie geograficzne Zasięg czasowy Materiały muzealne ZPAL, PIG Literatura Dzik, J. 1984. Phylogeny of the Nautiloidea. Palaeontologia Polonica 45, 1-255 |
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