Identificaciones de spongeman

Images of the freshwater sponge observed previously by Scott Gavins:
https://inaturalist.ala.org.au/observations/66910941
https://inaturalist.ala.org.au/observations/66910934
https://inaturalist.ala.org.au/observations/92301554

I could observe some of the spicules presented here but it was a low yield from the preparation process I trialled. Skeleton spicule is slightly curved, possibly with tiny spines. The dermal spicules are stellate.

Press 'i '
025 Freshwater Sponge Spongillidae
1999/07/07 Kaurutootsi, Valgamaa, Estland
57.9760500 26.48649

1999/07/07 .https://photos.app.goo.gl/3jkBpYP15sAGYphb9
https://www.google.com/maps/place/57%C2%B058'33.6%22N+26%C2%B029'20.4%22E/@57.9711425,26.5002587,3a,75y,298.7h,75.41t/data=!3m7!1e1!3m5!1sqULi0J6r-io11GA0Bn5wLA!2e0!6s%2F%2Fgeo2.ggpht.com%2Fcbk%3Fpanoid%3DqULi0J6r-io11GA0Bn5wLA%26output%3Dthumbnail%26cb_client%3Dsearch.gws-prod.gps%26thumb%3D2%26w%3D211%26h%3D120%26yaw%3D28.760406%26pitch%3D0%26thumbfov%3D100!7i13312!8i6656!4m5!3m4!1s0x0:0x0!8m2!3d57.976!4d26.489

https://www.google.com/maps/place/57%C2%B058'33.6%22N+26%C2%B029'20.4%22E/@57.9711783,26.5002068,3a,75y/data=!3m8!1e2!3m6!1sAF1QipM2if0RNMlB2glThg-xn-y0iKId36kqTvMbKsxZ!2e10!3e12!6shttps:%2F%2Flh5.googleusercontent.com%2Fp%2FAF1QipM2if0RNMlB2glThg-xn-y0iKId36kqTvMbKsxZ%3Dw160-h120-k-no!7i4640!8i3480!4m5!3m4!1s0x0:0x0!8m2!3d57.976!4d26.489

1999/07/07 .https://photos.app.goo.gl/3jkBpYP15sAGYphb9

1999/07/07 Kaurutootsi, Valgamaa, Estland
57.9760500 26.48649

1999/07/07 .https://photos.app.goo.gl/3jkBpYP15sAGYphb9
https://www.google.com/maps/place/57%C2%B058'33.6%22N+26%C2%B029'20.4%22E/@57.9711425,26.5002587,3a,75y,298.7h,75.41t/data=!3m7!1e1!3m5!1sqULi0J6r-io11GA0Bn5wLA!2e0!6s%2F%2Fgeo2.ggpht.com%2Fcbk%3Fpanoid%3DqULi0J6r-io11GA0Bn5wLA%26output%3Dthumbnail%26cb_client%3Dsearch.gws-prod.gps%26thumb%3D2%26w%3D211%26h%3D120%26yaw%3D28.760406%26pitch%3D0%26thumbfov%3D100!7i13312!8i6656!4m5!3m4!1s0x0:0x0!8m2!3d57.976!4d26.489

https://www.google.com/maps/place/57%C2%B058'33.6%22N+26%C2%B029'20.4%22E/@57.9711783,26.5002068,3a,75y/data=!3m8!1e2!3m6!1sAF1QipM2if0RNMlB2glThg-xn-y0iKId36kqTvMbKsxZ!2e10!3e12!6shttps:%2F%2Flh5.googleusercontent.com%2Fp%2FAF1QipM2if0RNMlB2glThg-xn-y0iKId36kqTvMbKsxZ%3Dw160-h120-k-no!7i4640!8i3480!4m5!3m4!1s0x0:0x0!8m2!3d57.976!4d26.489

1999/07/07 .https://photos.app.goo.gl/3jkBpYP15sAGYphb9