@article{fdi:010096869, title = {{C}ave-dwelling {H}omoscleromorpha ({P}orifera) from {C}ape {V}erde archipelago ({N}ortheast {A}tlantic): one new genus of aspiculate {P}lakinidae and five new species}, author = {{C}abioch, {C}. and {R}uiz, {C}. and {G}renier, {M}. and {E}reskovsky, {A}. and {M}oraes, {F}. and {F}auvelot, {C}{\'e}cile and {P}{\'e}rez, {T}.}, editor = {}, language = {{ENG}}, abstract = {{S}ignificant efforts have been made to describe the diversity of the sponge class {H}omoscleromorpha across various oceanic regions, yet the {T}ropical {E}astern {A}tlantic remains largely unexplored. {T}he insular nature and volcanic origin of the {C}ape {V}erde archipelago favour the presence of numerous submarine caves, which are recognized as favourite habitats for {H}omoscleromorpha. {P}rior to this study, three species had previously been reported from shallow-water habitats of {C}ape {V}erde: {P}lakina monolopha, {P}lakortis simplex, and {O}scarella lobularis, and all three species had long been considered cosmopolitan. {O}ur exploration of submarine caves has led to the discovery of four new species and one new genus, belonging to the {F}amilies {O}scarellidae and {P}lakinidae: {O}scarella antea sp. nov., {A}spiculina malanoba gen. nov., sp. nov., {P}lakinastrella fauvelotae sp. nov., and {P}lakinastrella freitasi sp. nov. {W}e have also examined the two {P}lakinidae reported in past studies, which in fact correspond to a fifth new species, here named {P}lakinastrella cachupa sp. nov. {T}hese descriptions have been conducted using an integrative approach, combining molecular investigation with accurate morphological analyses. {A}mong the new taxa, two skeleton-less sponges could be described only after histological and cytological investigations, underscoring the need to generalize this type of approach for all {H}omoscleromorpha. {A}dditionally, for three new {P}lakinastrella, we have used, for the first time, a mathematical method to analyse spicule size distributions in different classes. {W}e believe that only detailed descriptions of phenotypes such as these can help to reveal the true diversity of {H}omoscleromorpha and their evolutionary history.}, keywords = {{P}orifera ; oceanic islands ; submarine caves ; {O}scarellidae ; {P}lakinidae ; integrative taxonomy ; {CAP} {VERT} ; {ATLANTIQUE} {NORD} {EST} ; {ZONE} {TROPICALE}}, booktitle = {}, journal = {{Z}oological {J}ournal of the {L}innean {S}ociety}, volume = {206}, numero = {3}, pages = {zlag040 [23 p.]}, ISSN = {0024-4082}, year = {2026}, DOI = {10.1093/zoolinnean/zlag040}, URL = {https://www.documentation.ird.fr/hor/fdi:010096869}, }