Roman mosaic, Canosa

• The symmetry group of the tiling is 442 (p4).
• All the internal angles of the constituent polygons are a multiple of 90°.
• There are no non-regular reflective pairs and one tile with no mirror image.
• The tiling satisfies the interlace condition and has no finite interlace and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 92 polygons.

1. Figure 60-2, page 143 (Western tomb tower, Kharraqan, Iran) of Lazar Izrailevich Rempel. Arkhitekturnyi ornament Uzbekistana: ..., Tashkent, 1961. [rempel] {602p}(1093AD, 485AH)
2. Plate 18 (Western tomb tower, Kharraqan, Iran) of Sonia P, Seherr-Thoss. Design and color in Islamic architecture; Afghanistan, Iran, Turkey, Smithsonian Institution, 1968. [seherr] {312p}(1093AD, 485AH)
3. Pl 193 (c) (Canosa) of Catherine Balmelle .... Le décor géométrique de la mosaïque romaine, Paris, Picard, 2002. ISBN 270840624. [balmelle] {2 vols}

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