Maeandropolydora Voigt, 1965

Diagnosis.—Long cylindrical galleries having two or more apertures, running through the substrate sinuously or in irregular contortions. Galleries may run parallel in contact with each other in pairs, with or without fusion. Loose or tight loops may occur; the limbs of these may be connected by a vane or form a pouch (cited from Bromley and D’Alessandro 1983).

Remarks.—Maeandropolydora Voigt, 1965, is a boring of suspension-feeding spionid polychaete (e.g., Bromley and D’Alessandro 1983). It occurs since the Triassic and Palaeozoic occurrences are uncertain (Bromley 2004).

Diagnose: In Schalen minierende oder Furchen erzeugende Bohrg~inge etwa vom Durchmesser der Polydora-R6hren, die vielfach gewunden und z. T. m~iandrierend verlaufen, jedoch keine echten Taschenbauten bilden. 

[Diagnosis: Drilling holes that mined or created furrows in shells, approximately the same diameter as the Polydora tubes, which are often twisted and e.g. Sometimes they meander, but do not form any real pocket structures.]

Macroboring; substrate calcareous; tracemaker invertebrate

Category of architectural design: 2.61. Winding borings.

Unbranched, winding.

Diagnosis– (After Bromley & D’Ales sandro, 1983, p. 293.) “Long, cylindrical galleries having two or more apertures, running through the substrate sinuously or in irregular contortions. Galleries may run parallel in contact with each other in pairs, with or without fusion. Loose or tight loops may occur; the limbs of these may be connected by a vane or form a pouch.

Diagnosis: Long and wide cylindrical galleries excavated parallel to the surface of the valve with dichotomic bifurcation (Santos et al., 2003)

Remark: Long, sinuous to contorted galleries with two or more apertures.