Archaeocyatha
class of sponges
*1 – Gap / Intervalo / Interval
*2 – Central cavity / Cavidade central / Centrale holte
*3 – Internal wall / Parede interna / Interne wand
*4 – Pore (all the walls and septa have pores, not all are represented) / Poro (todas as paredes e septos têm poros, nem todos representados /Porie (alle wanden en septa hebben porien, maar nit alle zijn hier aangegeven)
*5 – Septum / Septo / Septum
*6 – External wall / Parede externa / Externe wand
*7 – Rizoid / Rizóide /Rizoid