FIGURE 1. Location maps: 1, areas (2-4) with localities of key specimens presented in this paper. 2, location of Polykampton guberanum isp. nov. in Bisamberg, Austria; 3, location of P. alpinum (type material) in Fégire, and P. guberanum isp. nov. in Guber, both in Switzerland; 4, location of P. multiflabellatum isp. nov. in the Aveto Valley, Italy.

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FIGURE 2. Type material of Polykampton alpinum Ooster, 1869 from Fégire, Switzerland, housed in the Naturhistorisches Museum der Burgergemeinde Bern: 1, the lectotype, hypichnion, slab 5017075; white quadrangle marks details shown in 4; 2, paralectotype, epichnia, slab 5017076; 3, side view of the lectotype, slab 5017075; 4, detail of A; 5, original label of the lectotype; 6, copy of plate 4 from Ooster (1869) showing the original illustration.

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FIGURE 3. Polykampton alpinum Ooster from the Guber quarry, Switzerland. Specimen NHMW 2018/0158/0001 of the Naturhistorisches Museum in Vienna; it derives from the Gurnigel-Schlieren Flysch in Switzerland.

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FIGURE 4. Drawings of Polykampton ichnospecies made by authors on the basis of photographs from different publications and collections for a comparison: 1, Polykampton alpinum, the lectotype (see Figure 2.1); 2, P. alpinum, a fragment of paralectotype (see Figure 2.2); 3, P. alpinum, based on Makarenko, 1973, p. 220, figure on p. 221; 4, P. alpinum, based on Zuber, 1918, figure 76; 5,. P. alpinum, based on Novák and Peslová, plate 20 (a fragment); 6, P. guberanum (see Figure 5.5); 7, P. cabellae, based on Uchman and Rattazzi, figure 2A; 8, P. eseri, based on Uchman, 1999, plate 13, figure 3; 9, P. multiflabellatum, based on specimen 7408, Museo Paleontologico di Crocefieschi.

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FIGURE 5. Polykampton guberanum isp. nov.: 1, specimen NML 1995-11a (h-holotype) of the Naturmuseum Luzern, parting surface 1 (see Figure 6) of fine-grained sandstone bed; 2, detail of 1, the holotype showing well-developed spreite lobes and the median tunnel of variable width; 3, detail of 1 showing branched form; 4, Detail of counterpart slab (specimen NML 1995-11b, parting surface 2, see Figure 6) showing lobes only partly crossed by the median tunnel; 5, Specimen O155 of the Naturhistorisches Museum Basel.

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FIGURE 6. Position of Polykampton guberanum isp. nov. in specimens NML 1995-11a (top part), b (basal part) of the Naturmuseum Luzern (see Figure 5).

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FIGURE 7. Polykampton multiflabellatum isp. nov., positive hypichnia on sandstone slabs from the Ottone Formation (lower-middle Campanian), Italy, housed in the Museo Paleontologico di Crocefieschi: 1, holotype (h), He-Helminthoidichnites isp., slab 7408; 2, paratype 2, slab 6852; 3, paratype 1, slab 6851; 4, specimen showing foremost the median tunnel, slab 7060; 5, specimen showing foremost the median tunnel, He-Helminthoidichnites isp., slab 7061, 6, bioglyphs of the slab 7331.

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FIGURE 8. Other specimens of Polykampton multiflabellatum isp. nov.: 1, specimen A 6349 of the Naturhistorisches Museum in Vienna, which derives from the Kahlenberg Beds (upper Campanian-lowermost Maastrichtian), Austria; 2, details of P. multiflabellatum isp. nov., hypichnion in sandstone slab 7449 from the Ottone Formation (lower-middle Campanian), Italy, housed in the Museo Paleontologico di Crocefieschi. Numbers 1-5 indicate a succession of spreite bundles. The lobe is covered by scratches (sc) obliquely oriented to the bundles.

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FIGURE 9. Saportia striata (Squinabol, 1888), specimens 2404 and 2450 (in fact one slab broken) of the University of Genova, Italy. Monte Antola Formation (late Campanian-Maastrichtian), Madonna del Monte, Genova, Italy. Proximal part of the lobes (l1-l6) can be interpreted. This ichnotaxon can be reservedly included in Polykampton.

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FIGURE 10. Formation of lobes in Polykampton guberanum by a “worm” having long proboscis.

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FIGURE 11. Model of Polykampton alpinum, P. guberanum and P. multiflabellatum. Arrows show direction of development of the lobes by strip mining.

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