Suecoceras (?) sp. 1. Ventral side of a pragmocone fragment; ZPAL N/083; lithology indicative of the Volkhovian or Aserian, Orłowo, Poland. 2 Phragmocone in ventral view ZPAL N/085; Eoplacognathus pseudoplanus Zone , earliest Llanvirn, borehole Stadniki IG 1 (depth of 1187 m); note ornamentation of the preserved shell.

Suecoceras sp. 1. Phragmocone UW 5/4/74, Mójcza Limestone, E. reclinatus Zone, Llanvirn; Mójcza near Kielce, Poland.2, medial section through the apical part of the shell, ZPAL N/912, erratic boulder E-275, Eoplacognathus foliaceus Zone, Lasnamagian, Szczecin, Poland.

Suecoceras (?) sp.; ZPAL N/083 ,dark-cherrish limestone with iron oolites, Volkhovian or Kunda Stage ( 1) ; 

a. section through the siphuncle;

b. reconstruction of section through the shell